[PATCH 03/11] staging: fbtft: Fixes some alignment and line > 80 char issues - Style

From: Leonardo BrÃs
Date: Tue Aug 07 2018 - 00:05:45 EST

Signed-off-by: Leonardo BrÃs <leobras.c@xxxxxxxxx>
---
drivers/staging/fbtft/fb_ssd1289.c | 6 +--
drivers/staging/fbtft/fb_ssd1306.c | 3 +-
drivers/staging/fbtft/fb_ssd1331.c | 9 ++++-
drivers/staging/fbtft/fb_ssd1351.c | 43 +++++++++++++--------
drivers/staging/fbtft/fb_st7735r.c | 19 +++++++---
drivers/staging/fbtft/fb_st7789v.c | 13 +++----
drivers/staging/fbtft/fb_watterott.c | 17 +++++----
drivers/staging/fbtft/fbtft-bus.c | 21 ++++++----
drivers/staging/fbtft/fbtft-core.c | 57 ++++++++++++++++++----------
drivers/staging/fbtft/fbtft-io.c | 17 +++++----
drivers/staging/fbtft/fbtft-sysfs.c | 4 +-
drivers/staging/fbtft/fbtft.h | 38 +++++++++++++++----
drivers/staging/fbtft/fbtft_device.c | 44 +++++++++++----------
drivers/staging/fbtft/flexfb.c | 46 +++++++++++++---------
14 files changed, 214 insertions(+), 123 deletions(-)

diff --git a/drivers/staging/fbtft/fb_ssd1289.c b/drivers/staging/fbtft/fb_ssd1289.c
index 46116d06522c..67b3f8548241 100644
--- a/drivers/staging/fbtft/fb_ssd1289.c
+++ b/drivers/staging/fbtft/fb_ssd1289.c
@@ -38,7 +38,7 @@ static int init_display(struct fbtft_par *par)
write_reg(par, 0x0E, 0x2B00);
write_reg(par, 0x1E, 0x00B7);
write_reg(par, 0x01,
- BIT(13) | (par->bgr << 11) | BIT(9) | (HEIGHT - 1));
+ BIT(13) | (par->bgr << 11) | BIT(9) | (HEIGHT - 1));
write_reg(par, 0x02, 0x0600);
write_reg(par, 0x10, 0x0000);
write_reg(par, 0x05, 0x0000);
@@ -98,8 +98,8 @@ static int set_var(struct fbtft_par *par)
if (par->fbtftops.init_display != init_display) {
/* don't risk messing up register 11h */
fbtft_par_dbg(DEBUG_INIT_DISPLAY, par,
- "%s: skipping since custom init_display() is used\n",
- __func__);
+ "%s: skipping since custom init_display() is used\n",
+ __func__);
return 0;
}

diff --git a/drivers/staging/fbtft/fb_ssd1306.c b/drivers/staging/fbtft/fb_ssd1306.c
index 9276be499303..f5e0ec1c01dc 100644
--- a/drivers/staging/fbtft/fb_ssd1306.c
+++ b/drivers/staging/fbtft/fb_ssd1306.c
@@ -184,7 +184,8 @@ static int write_vmem(struct fbtft_par *par, size_t offset, size_t len)
for (y = 0; y < yres / 8; y++) {
*buf = 0x00;
for (i = 0; i < 8; i++)
- *buf |= (vmem16[(y * 8 + i) * xres + x] ? 1 : 0) << i;
+ *buf |= (vmem16[(y * 8 + i) * xres + x] ?
+ 1 : 0) << i;
buf++;
}
}
diff --git a/drivers/staging/fbtft/fb_ssd1331.c b/drivers/staging/fbtft/fb_ssd1331.c
index 383e197cf56a..4c7500991a5b 100644
--- a/drivers/staging/fbtft/fb_ssd1331.c
+++ b/drivers/staging/fbtft/fb_ssd1331.c
@@ -74,7 +74,14 @@ static void write_reg8_bus8(struct fbtft_par *par, int len, ...)
for (i = 0; i < len; i++)
buf[i] = (u8)va_arg(args, unsigned int);
va_end(args);
- fbtft_par_dbg_hex(DEBUG_WRITE_REGISTER, par, par->info->device, u8, buf, len, "%s: ", __func__);
+ fbtft_par_dbg_hex(DEBUG_WRITE_REGISTER,
+ par,
+ par->info->device,
+ u8,
+ buf,
+ len,
+ "%s: ",
+ __func__);
}

va_start(args, len);
diff --git a/drivers/staging/fbtft/fb_ssd1351.c b/drivers/staging/fbtft/fb_ssd1351.c
index 1b92691ac7cc..8abee5450ca1 100644
--- a/drivers/staging/fbtft/fb_ssd1351.c
+++ b/drivers/staging/fbtft/fb_ssd1351.c
@@ -126,35 +126,45 @@ static int set_gamma(struct fbtft_par *par, u32 *curves)
for (i = 0; i < 63; i++) {
if (i > 0 && curves[i] < 2) {
dev_err(par->info->device,
- "Illegal value in Grayscale Lookup Table at index %d. Must be greater than 1\n", i);
+ "Illegal value in Grayscale Lookup Table at index %d. Must be greater than 1\n",
+ i);
return -EINVAL;
}
acc += curves[i];
tmp[i] = acc;
if (acc > 180) {
dev_err(par->info->device,
- "Illegal value(s) in Grayscale Lookup Table. At index=%d, the accumulated value has exceeded 180\n", i);
+ "Illegal value(s) in Grayscale Lookup Table. At index=%d, the accumulated value has exceeded 180\n",
+ i);
return -EINVAL;
}
}

write_reg(par, 0xB8,
- tmp[0], tmp[1], tmp[2], tmp[3], tmp[4], tmp[5], tmp[6], tmp[7],
- tmp[8], tmp[9], tmp[10], tmp[11], tmp[12], tmp[13], tmp[14], tmp[15],
- tmp[16], tmp[17], tmp[18], tmp[19], tmp[20], tmp[21], tmp[22], tmp[23],
- tmp[24], tmp[25], tmp[26], tmp[27], tmp[28], tmp[29], tmp[30], tmp[31],
- tmp[32], tmp[33], tmp[34], tmp[35], tmp[36], tmp[37], tmp[38], tmp[39],
- tmp[40], tmp[41], tmp[42], tmp[43], tmp[44], tmp[45], tmp[46], tmp[47],
- tmp[48], tmp[49], tmp[50], tmp[51], tmp[52], tmp[53], tmp[54], tmp[55],
- tmp[56], tmp[57], tmp[58], tmp[59], tmp[60], tmp[61], tmp[62]);
+ tmp[0], tmp[1], tmp[2], tmp[3],
+ tmp[4], tmp[5], tmp[6], tmp[7],
+ tmp[8], tmp[9], tmp[10], tmp[11],
+ tmp[12], tmp[13], tmp[14], tmp[15],
+ tmp[16], tmp[17], tmp[18], tmp[19],
+ tmp[20], tmp[21], tmp[22], tmp[23],
+ tmp[24], tmp[25], tmp[26], tmp[27],
+ tmp[28], tmp[29], tmp[30], tmp[31],
+ tmp[32], tmp[33], tmp[34], tmp[35],
+ tmp[36], tmp[37], tmp[38], tmp[39],
+ tmp[40], tmp[41], tmp[42], tmp[43],
+ tmp[44], tmp[45], tmp[46], tmp[47],
+ tmp[48], tmp[49], tmp[50], tmp[51],
+ tmp[52], tmp[53], tmp[54], tmp[55],
+ tmp[56], tmp[57], tmp[58], tmp[59],
+ tmp[60], tmp[61], tmp[62]);

return 0;
}

static int blank(struct fbtft_par *par, bool on)
{
- fbtft_par_dbg(DEBUG_BLANK, par, "%s(blank=%s)\n",
- __func__, on ? "true" : "false");
+ fbtft_par_dbg(DEBUG_BLANK, par, "(%s=%s)\n",
+ __func__, on ? "true" : "false");
if (on)
write_reg(par, 0xAE);
else
@@ -185,8 +195,8 @@ static int update_onboard_backlight(struct backlight_device *bd)
bool on;

fbtft_par_dbg(DEBUG_BACKLIGHT, par,
- "%s: power=%d, fb_blank=%d\n",
- __func__, bd->props.power, bd->props.fb_blank);
+ "%s: power=%d, fb_blank=%d\n",
+ __func__, bd->props.power, bd->props.fb_blank);

on = (bd->props.power == FB_BLANK_UNBLANK) &&
(bd->props.fb_blank == FB_BLANK_UNBLANK);
@@ -209,7 +219,10 @@ static void register_onboard_backlight(struct fbtft_par *par)
bl_props.power = FB_BLANK_POWERDOWN;

bd = backlight_device_register(dev_driver_string(par->info->device),
- par->info->device, par, &bl_ops, &bl_props);
+ par->info->device,
+ par,
+ &bl_ops,
+ &bl_props);
if (IS_ERR(bd)) {
dev_err(par->info->device,
"cannot register backlight device (%ld)\n",
diff --git a/drivers/staging/fbtft/fb_st7735r.c b/drivers/staging/fbtft/fb_st7735r.c
index e24af0a7f2de..c8e94f388ce5 100644
--- a/drivers/staging/fbtft/fb_st7735r.c
+++ b/drivers/staging/fbtft/fb_st7735r.c
@@ -130,8 +130,10 @@ static int set_var(struct fbtft_par *par)

/*
* Gamma string format:
- * VRF0P VOS0P PK0P PK1P PK2P PK3P PK4P PK5P PK6P PK7P PK8P PK9P SELV0P SELV1P SELV62P SELV63P
- * VRF0N VOS0N PK0N PK1N PK2N PK3N PK4N PK5N PK6N PK7N PK8N PK9N SELV0N SELV1N SELV62N SELV63N
+ * VRF0P VOS0P PK0P PK1P PK2P PK3P PK4P
+ * PK5P PK6P PK7P PK8P PK9P SELV0P SELV1P SELV62P SELV63P
+ * VRF0N VOS0N PK0N PK1N PK2N PK3N PK4N
+ * PK5N PK6N PK7N PK8N PK9N SELV0N SELV1N SELV62N SELV63N
*/
#define CURVE(num, idx) curves[(num) * par->gamma.num_values + (idx)]
static int set_gamma(struct fbtft_par *par, u32 *curves)
@@ -145,13 +147,18 @@ static int set_gamma(struct fbtft_par *par, u32 *curves)

for (i = 0; i < par->gamma.num_curves; i++)
write_reg(par, 0xE0 + i,
- CURVE(i, 0), CURVE(i, 1), CURVE(i, 2), CURVE(i, 3),
- CURVE(i, 4), CURVE(i, 5), CURVE(i, 6), CURVE(i, 7),
- CURVE(i, 8), CURVE(i, 9), CURVE(i, 10), CURVE(i, 11),
- CURVE(i, 12), CURVE(i, 13), CURVE(i, 14), CURVE(i, 15));
+ CURVE(i, 0), CURVE(i, 1),
+ CURVE(i, 2), CURVE(i, 3),
+ CURVE(i, 4), CURVE(i, 5),
+ CURVE(i, 6), CURVE(i, 7),
+ CURVE(i, 8), CURVE(i, 9),
+ CURVE(i, 10), CURVE(i, 11),
+ CURVE(i, 12), CURVE(i, 13),
+ CURVE(i, 14), CURVE(i, 15));

return 0;
}
+
#undef CURVE

static struct fbtft_display display = {
diff --git a/drivers/staging/fbtft/fb_st7789v.c b/drivers/staging/fbtft/fb_st7789v.c
index 7d7573a7b615..3c3f387936e8 100644
--- a/drivers/staging/fbtft/fb_st7789v.c
+++ b/drivers/staging/fbtft/fb_st7789v.c
@@ -201,13 +201,12 @@ static int set_gamma(struct fbtft_par *par, u32 *curves)
c = i * par->gamma.num_values;
for (j = 0; j < par->gamma.num_values; j++)
curves[c + j] &= gamma_par_mask[j];
- write_reg(
- par, PVGAMCTRL + i,
- curves[c + 0], curves[c + 1], curves[c + 2],
- curves[c + 3], curves[c + 4], curves[c + 5],
- curves[c + 6], curves[c + 7], curves[c + 8],
- curves[c + 9], curves[c + 10], curves[c + 11],
- curves[c + 12], curves[c + 13]);
+ write_reg(par, PVGAMCTRL + i,
+ curves[c + 0], curves[c + 1], curves[c + 2],
+ curves[c + 3], curves[c + 4], curves[c + 5],
+ curves[c + 6], curves[c + 7], curves[c + 8],
+ curves[c + 9], curves[c + 10], curves[c + 11],
+ curves[c + 12], curves[c + 13]);
}
return 0;
}
diff --git a/drivers/staging/fbtft/fb_watterott.c b/drivers/staging/fbtft/fb_watterott.c
index 9d5979b3cfb8..47ed8b9c5020 100644
--- a/drivers/staging/fbtft/fb_watterott.c
+++ b/drivers/staging/fbtft/fb_watterott.c
@@ -46,7 +46,8 @@ static void write_reg8_bus8(struct fbtft_par *par, int len, ...)
va_end(args);

fbtft_par_dbg_hex(DEBUG_WRITE_REGISTER, par,
- par->info->device, u8, par->buf, len, "%s: ", __func__);
+ par->info->device, u8, par->buf,
+ len, "%s: ", __func__);

ret = par->fbtftops.write(par, par->buf, len);
if (ret < 0) {
@@ -174,8 +175,9 @@ static int init_display(struct fbtft_par *par)
write_reg(par, 0x00);

version = firmware_version(par);
- fbtft_par_dbg(DEBUG_INIT_DISPLAY, par, "Firmware version: %x.%02x\n",
- version >> 8, version & 0xFF);
+ fbtft_par_dbg(DEBUG_INIT_DISPLAY, par,
+ "Firmware version: %x.%02x\n",
+ version >> 8, version & 0xFF);

if (mode == 332)
par->fbtftops.write_vmem = write_vmem_8bit;
@@ -226,9 +228,9 @@ static int backlight_chip_update_status(struct backlight_device *bd)
int brightness = bd->props.brightness;

fbtft_par_dbg(DEBUG_BACKLIGHT, par,
- "%s: brightness=%d, power=%d, fb_blank=%d\n",
- __func__, bd->props.brightness, bd->props.power,
- bd->props.fb_blank);
+ "%s: brightness=%d, power=%d, fb_blank=%d\n",
+ __func__, bd->props.brightness, bd->props.power,
+ bd->props.fb_blank);

if (bd->props.power != FB_BLANK_UNBLANK)
brightness = 0;
@@ -256,7 +258,8 @@ static void register_chip_backlight(struct fbtft_par *par)
bl_props.brightness = DEFAULT_BRIGHTNESS;

bd = backlight_device_register(dev_driver_string(par->info->device),
- par->info->device, par, &bl_ops, &bl_props);
+ par->info->device, par,
+ &bl_ops, &bl_props);
if (IS_ERR(bd)) {
dev_err(par->info->device,
"cannot register backlight device (%ld)\n",
diff --git a/drivers/staging/fbtft/fbtft-bus.c b/drivers/staging/fbtft/fbtft-bus.c
index 871b307d83cb..5c768c658258 100644
--- a/drivers/staging/fbtft/fbtft-bus.c
+++ b/drivers/staging/fbtft/fbtft-bus.c
@@ -79,7 +79,8 @@ void fbtft_write_reg8_bus9(struct fbtft_par *par, int len, ...)
*(((u8 *)buf) + i) = (u8)va_arg(args, unsigned int);
va_end(args);
fbtft_par_dbg_hex(DEBUG_WRITE_REGISTER, par,
- par->info->device, u8, buf, len, "%s: ", __func__);
+ par->info->device, u8, buf, len, "%s: ",
+ __func__);
}
if (len <= 0)
return;
@@ -129,7 +130,7 @@ int fbtft_write_vmem16_bus8(struct fbtft_par *par, size_t offset, size_t len)
size_t startbyte_size = 0;

fbtft_par_dbg(DEBUG_WRITE_VMEM, par, "%s(offset=%zu, len=%zu)\n",
- __func__, offset, len);
+ __func__, offset, len);

remain = len / 2;
vmem16 = (u16 *)(par->info->screen_buffer + offset);
@@ -153,8 +154,10 @@ int fbtft_write_vmem16_bus8(struct fbtft_par *par, size_t offset, size_t len)

while (remain) {
to_copy = min(tx_array_size, remain);
- dev_dbg(par->info->device, " to_copy=%zu, remain=%zu\n",
- to_copy, remain - to_copy);
+ dev_dbg(par->info->device,
+ "to_copy=%zu, remain=%zu\n",
+ to_copy,
+ remain - to_copy);

for (i = 0; i < to_copy; i++)
txbuf16[i] = cpu_to_be16(vmem16[i]);
@@ -183,7 +186,7 @@ int fbtft_write_vmem16_bus9(struct fbtft_par *par, size_t offset, size_t len)
int ret = 0;

fbtft_par_dbg(DEBUG_WRITE_VMEM, par, "%s(offset=%zu, len=%zu)\n",
- __func__, offset, len);
+ __func__, offset, len);

if (!par->txbuf.buf) {
dev_err(par->info->device, "%s: txbuf.buf is NULL\n", __func__);
@@ -197,8 +200,10 @@ int fbtft_write_vmem16_bus9(struct fbtft_par *par, size_t offset, size_t len)

while (remain) {
to_copy = min(tx_array_size, remain);
- dev_dbg(par->info->device, " to_copy=%zu, remain=%zu\n",
- to_copy, remain - to_copy);
+ dev_dbg(par->info->device,
+ "to_copy=%zu, remain=%zu\n",
+ to_copy,
+ remain - to_copy);

#ifdef __LITTLE_ENDIAN
for (i = 0; i < to_copy; i += 2) {
@@ -233,7 +238,7 @@ int fbtft_write_vmem16_bus16(struct fbtft_par *par, size_t offset, size_t len)
u16 *vmem16;

fbtft_par_dbg(DEBUG_WRITE_VMEM, par, "%s(offset=%zu, len=%zu)\n",
- __func__, offset, len);
+ __func__, offset, len);

vmem16 = (u16 *)(par->info->screen_buffer + offset);

diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c
index 731e47149af8..4660a9f9eace 100644
--- a/drivers/staging/fbtft/fbtft-core.c
+++ b/drivers/staging/fbtft/fbtft-core.c
@@ -137,8 +137,8 @@ static int fbtft_request_gpios(struct fbtft_par *par)
flags = fbtft_request_gpios_match(par, gpio);
if (flags != FBTFT_GPIO_NO_MATCH) {
ret = devm_gpio_request_one(par->info->device,
- gpio->gpio, flags,
- par->info->device->driver->name);
+ gpio->gpio, flags,
+ par->info->device->driver->name);
if (ret < 0) {
dev_err(par->info->device,
"%s: gpio_request_one('%s'=%d) failed with %d\n",
@@ -249,8 +249,11 @@ static int fbtft_backlight_update_status(struct backlight_device *bd)
bool polarity = par->polarity;

fbtft_par_dbg(DEBUG_BACKLIGHT, par,
- "%s: polarity=%d, power=%d, fb_blank=%d\n",
- __func__, polarity, bd->props.power, bd->props.fb_blank);
+ "%s: polarity=%d, power=%d, fb_blank=%d\n",
+ __func__,
+ polarity,
+ bd->props.power,
+ bd->props.fb_blank);

if ((bd->props.power == FB_BLANK_UNBLANK) &&
(bd->props.fb_blank == FB_BLANK_UNBLANK))
@@ -372,7 +375,7 @@ static void fbtft_update_display(struct fbtft_par *par, unsigned int start_line,
if (start_line > par->info->var.yres - 1 ||
end_line > par->info->var.yres - 1) {
dev_warn(par->info->device,
- "%s: start_line=%u or end_line=%u is larger than max=%d. Shouldn't happen, will do full display update\n",
+ "%s: start_line=%u or end_line=%u is larger than max=%d. Shouldn't happen, will do full display update\n",
__func__, start_line,
end_line, par->info->var.yres - 1);
start_line = 0;
@@ -538,8 +541,11 @@ static unsigned int chan_to_field(unsigned int chan, struct fb_bitfield *bf)
return chan << bf->offset;
}

-static int fbtft_fb_setcolreg(unsigned int regno, unsigned int red, unsigned int green,
- unsigned int blue, unsigned int transp,
+static int fbtft_fb_setcolreg(unsigned int regno,
+ unsigned int red,
+ unsigned int green,
+ unsigned int blue,
+ unsigned int transp,
struct fb_info *info)
{
unsigned int val;
@@ -818,7 +824,9 @@ struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display,

if (par->gamma.curves && gamma) {
if (fbtft_gamma_parse_str(par,
- par->gamma.curves, gamma, strlen(gamma)))
+ par->gamma.curves,
+ gamma,
+ strlen(gamma)))
goto alloc_fail;
}

@@ -1045,8 +1053,8 @@ static int fbtft_init_display_dt(struct fbtft_par *par)
while (p && !(val & 0xFFFF0000)) {
if (i > 63) {
dev_err(par->info->device,
- "%s: Maximum register values exceeded\n",
- __func__);
+ "%s: Maximum register values exceeded\n",
+ __func__);
return -EINVAL;
}
buf[i++] = val;
@@ -1166,8 +1174,8 @@ int fbtft_init_display(struct fbtft_par *par)
while (par->init_sequence[i] >= 0) {
if (j > 63) {
dev_err(par->info->device,
- "%s: Maximum register values exceeded\n",
- __func__);
+ "%s: Maximum register values exceeded\n",
+ __func__);
return -EINVAL;
}
buf[j++] = par->init_sequence[i++];
@@ -1193,19 +1201,22 @@ int fbtft_init_display(struct fbtft_par *par)
case -2:
i++;
fbtft_par_dbg(DEBUG_INIT_DISPLAY, par,
- "init: mdelay(%d)\n", par->init_sequence[i]);
+ "init: mdelay(%d)\n",
+ par->init_sequence[i]);
mdelay(par->init_sequence[i++]);
break;
default:
dev_err(par->info->device,
"unknown delimiter %d at position %d\n",
- par->init_sequence[i], i);
+ par->init_sequence[i],
+ i);
return -EINVAL;
}
}

dev_err(par->info->device,
- "%s: something is wrong. Shouldn't get here.\n", __func__);
+ "%s: something is wrong. Shouldn't get here.\n",
+ __func__);
return -EINVAL;
}
EXPORT_SYMBOL(fbtft_init_display);
@@ -1225,8 +1236,9 @@ static int fbtft_verify_gpios(struct fbtft_par *par)

fbtft_par_dbg(DEBUG_VERIFY_GPIOS, par, "%s()\n", __func__);

- if (pdata->display.buswidth != 9 && par->startbyte == 0 &&
- par->gpio.dc < 0) {
+ if (pdata->display.buswidth != 9 &&
+ par->startbyte == 0 &&
+ par->gpio.dc < 0) {
dev_err(par->info->device,
"Missing info about 'dc' gpio. Aborting.\n");
return -EINVAL;
@@ -1321,7 +1333,8 @@ static struct fbtft_platform_data *fbtft_probe_dt(struct device *dev)
* Return: 0 if successful, negative if error
*/
int fbtft_probe_common(struct fbtft_display *display,
- struct spi_device *sdev, struct platform_device *pdev)
+ struct spi_device *sdev,
+ struct platform_device *pdev)
{
struct device *dev;
struct fb_info *info;
@@ -1393,11 +1406,13 @@ int fbtft_probe_common(struct fbtft_display *display,
par->spi->bits_per_word = 9;
} else {
dev_warn(&par->spi->dev,
- "9-bit SPI not available, emulating using 8-bit.\n");
+ "9-bit SPI not available, emulating using 8-bit.\n");
/* allocate buffer with room for dc bits */
par->extra = devm_kzalloc(par->info->device,
- par->txbuf.len + (par->txbuf.len / 8) + 8,
- GFP_KERNEL);
+ par->txbuf.len
+ + (par->txbuf.len / 8)
+ + 8,
+ GFP_KERNEL);
if (!par->extra) {
ret = -ENOMEM;
goto out_release;
diff --git a/drivers/staging/fbtft/fbtft-io.c b/drivers/staging/fbtft/fbtft-io.c
index f4a591919f62..b5051d3d46a6 100644
--- a/drivers/staging/fbtft/fbtft-io.c
+++ b/drivers/staging/fbtft/fbtft-io.c
@@ -14,7 +14,7 @@ int fbtft_write_spi(struct fbtft_par *par, void *buf, size_t len)
struct spi_message m;

fbtft_par_dbg_hex(DEBUG_WRITE, par, par->info->device, u8, buf, len,
- "%s(len=%d): ", __func__, len);
+ "%s(len=%d): ", __func__, len);

if (!par->spi) {
dev_err(par->info->device,
@@ -47,7 +47,7 @@ int fbtft_write_spi_emulate_9(struct fbtft_par *par, void *buf, size_t len)
u64 val, dc, tmp;

fbtft_par_dbg_hex(DEBUG_WRITE, par, par->info->device, u8, buf, len,
- "%s(len=%d): ", __func__, len);
+ "%s(len=%d): ", __func__, len);

if (!par->extra) {
dev_err(par->info->device, "%s: error: par->extra is NULL\n",
@@ -109,14 +109,15 @@ int fbtft_read_spi(struct fbtft_par *par, void *buf, size_t len)
txbuf[0] = par->startbyte | 0x3;
t.tx_buf = txbuf;
fbtft_par_dbg_hex(DEBUG_READ, par, par->info->device, u8,
- txbuf, len, "%s(len=%d) txbuf => ", __func__, len);
+ txbuf, len, "%s(len=%d) txbuf => ",
+ __func__, len);
}

spi_message_init(&m);
spi_message_add_tail(&t, &m);
ret = spi_sync(par->spi, &m);
fbtft_par_dbg_hex(DEBUG_READ, par, par->info->device, u8, buf, len,
- "%s(len=%d) buf <= ", __func__, len);
+ "%s(len=%d) buf <= ", __func__, len);

return ret;
}
@@ -135,7 +136,7 @@ int fbtft_write_gpio8_wr(struct fbtft_par *par, void *buf, size_t len)
#endif

fbtft_par_dbg_hex(DEBUG_WRITE, par, par->info->device, u8, buf, len,
- "%s(len=%d): ", __func__, len);
+ "%s(len=%d): ", __func__, len);

while (len--) {
data = *(u8 *)buf;
@@ -151,7 +152,7 @@ int fbtft_write_gpio8_wr(struct fbtft_par *par, void *buf, size_t len)
for (i = 0; i < 8; i++) {
if ((data & 1) != (prev_data & 1))
gpio_set_value(par->gpio.db[i],
- data & 1);
+ data & 1);
data >>= 1;
prev_data >>= 1;
}
@@ -185,7 +186,7 @@ int fbtft_write_gpio16_wr(struct fbtft_par *par, void *buf, size_t len)
#endif

fbtft_par_dbg_hex(DEBUG_WRITE, par, par->info->device, u8, buf, len,
- "%s(len=%d): ", __func__, len);
+ "%s(len=%d): ", __func__, len);

while (len) {
data = *(u16 *)buf;
@@ -201,7 +202,7 @@ int fbtft_write_gpio16_wr(struct fbtft_par *par, void *buf, size_t len)
for (i = 0; i < 16; i++) {
if ((data & 1) != (prev_data & 1))
gpio_set_value(par->gpio.db[i],
- data & 1);
+ data & 1);
data >>= 1;
prev_data >>= 1;
}
diff --git a/drivers/staging/fbtft/fbtft-sysfs.c b/drivers/staging/fbtft/fbtft-sysfs.c
index 712096659aa0..8327f8f26ab1 100644
--- a/drivers/staging/fbtft/fbtft-sysfs.c
+++ b/drivers/staging/fbtft/fbtft-sysfs.c
@@ -126,7 +126,9 @@ static ssize_t store_gamma_curve(struct device *device,

mutex_lock(&par->gamma.lock);
memcpy(par->gamma.curves, tmp_curves,
- par->gamma.num_curves * par->gamma.num_values * sizeof(tmp_curves[0]));
+ par->gamma.num_curves
+ * par->gamma.num_values
+ * sizeof(tmp_curves[0]));
mutex_unlock(&par->gamma.lock);

return count;
diff --git a/drivers/staging/fbtft/fbtft.h b/drivers/staging/fbtft/fbtft.h
index 0c710d374fab..a1411590732d 100644
--- a/drivers/staging/fbtft/fbtft.h
+++ b/drivers/staging/fbtft/fbtft.h
@@ -64,16 +64,20 @@ struct fbtft_ops {
void (*write_register)(struct fbtft_par *par, int len, ...);

void (*set_addr_win)(struct fbtft_par *par,
- int xs, int ys, int xe, int ye);
+ int xs,
+ int ys,
+ int xe,
+ int ye);
void (*reset)(struct fbtft_par *par);
void (*mkdirty)(struct fb_info *info, int from, int to);
void (*update_display)(struct fbtft_par *par,
- unsigned int start_line, unsigned int end_line);
+ unsigned int start_line,
+ unsigned int end_line);
int (*init_display)(struct fbtft_par *par);
int (*blank)(struct fbtft_par *par, bool on);

unsigned long (*request_gpios_match)(struct fbtft_par *par,
- const struct fbtft_gpio *gpio);
+ const struct fbtft_gpio *gpio);
int (*request_gpios)(struct fbtft_par *par);
int (*verify_gpios)(struct fbtft_par *par);

@@ -348,11 +352,29 @@ module_exit(fbtft_driver_module_exit);

/* shorthand debug levels */
#define DEBUG_LEVEL_1 DEBUG_REQUEST_GPIOS
-#define DEBUG_LEVEL_2 (DEBUG_LEVEL_1 | DEBUG_DRIVER_INIT_FUNCTIONS | DEBUG_TIME_FIRST_UPDATE)
-#define DEBUG_LEVEL_3 (DEBUG_LEVEL_2 | DEBUG_RESET | DEBUG_INIT_DISPLAY | DEBUG_BLANK | DEBUG_REQUEST_GPIOS | DEBUG_FREE_GPIOS | DEBUG_VERIFY_GPIOS | DEBUG_BACKLIGHT | DEBUG_SYSFS)
-#define DEBUG_LEVEL_4 (DEBUG_LEVEL_2 | DEBUG_FB_READ | DEBUG_FB_WRITE | DEBUG_FB_FILLRECT | DEBUG_FB_COPYAREA | DEBUG_FB_IMAGEBLIT | DEBUG_FB_BLANK)
-#define DEBUG_LEVEL_5 (DEBUG_LEVEL_3 | DEBUG_UPDATE_DISPLAY)
-#define DEBUG_LEVEL_6 (DEBUG_LEVEL_4 | DEBUG_LEVEL_5)
+#define DEBUG_LEVEL_2 (DEBUG_LEVEL_1 |\
+ DEBUG_DRIVER_INIT_FUNCTIONS |\
+ DEBUG_TIME_FIRST_UPDATE)
+#define DEBUG_LEVEL_3 (DEBUG_LEVEL_2 |\
+ DEBUG_RESET |\
+ DEBUG_INIT_DISPLAY |\
+ DEBUG_BLANK |\
+ DEBUG_REQUEST_GPIOS |\
+ DEBUG_FREE_GPIOS |\
+ DEBUG_VERIFY_GPIOS |\
+ DEBUG_BACKLIGHT |\
+ DEBUG_SYSFS)
+#define DEBUG_LEVEL_4 (DEBUG_LEVEL_2 |\
+ DEBUG_FB_READ |\
+ DEBUG_FB_WRITE |\
+ DEBUG_FB_FILLRECT |\
+ DEBUG_FB_COPYAREA |\
+ DEBUG_FB_IMAGEBLIT |\
+ DEBUG_FB_BLANK)
+#define DEBUG_LEVEL_5 (DEBUG_LEVEL_3 |\
+ DEBUG_UPDATE_DISPLAY)
+#define DEBUG_LEVEL_6 (DEBUG_LEVEL_4 |\
+ DEBUG_LEVEL_5)
#define DEBUG_LEVEL_7 0xFFFFFFFF

#define DEBUG_DRIVER_INIT_FUNCTIONS (1<<3)
diff --git a/drivers/staging/fbtft/fbtft_device.c b/drivers/staging/fbtft/fbtft_device.c
index 22ba81dbf093..dc424f3a0ec5 100644
--- a/drivers/staging/fbtft/fbtft_device.c
+++ b/drivers/staging/fbtft/fbtft_device.c
@@ -21,12 +21,13 @@ static struct platform_device *p_device;

static char *name;
module_param(name, charp, 0000);
-MODULE_PARM_DESC(name, "Devicename (required). name=list => list all supported devices.");
+MODULE_PARM_DESC(name,
+ "Devicename (required). name=list => list all supported devices.");

static unsigned int rotate;
module_param(rotate, uint, 0000);
MODULE_PARM_DESC(rotate,
-"Angle to rotate display counter clockwise: 0, 90, 180, 270");
+ "Angle to rotate display counter clockwise: 0, 90, 180, 270");

static unsigned int busnum;
module_param(busnum, uint, 0000);
@@ -47,7 +48,7 @@ MODULE_PARM_DESC(mode, "SPI mode (override device default)");
static char *gpios;
module_param(gpios, charp, 0000);
MODULE_PARM_DESC(gpios,
-"List of gpios. Comma separated with the form: reset:23,dc:24 (when overriding the default, all gpios must be specified)");
+ "List of gpios. Comma separated with the form: reset:23,dc:24 (when overriding the default, all gpios must be specified)");

static unsigned int fps;
module_param(fps, uint, 0000);
@@ -56,7 +57,7 @@ MODULE_PARM_DESC(fps, "Frames per second (override driver default)");
static char *gamma;
module_param(gamma, charp, 0000);
MODULE_PARM_DESC(gamma,
-"String representation of Gamma Curve(s). Driver specific.");
+ "String representation of Gamma Curve(s). Driver specific.");

static int txbuflen;
module_param(txbuflen, int, 0000);
@@ -65,7 +66,7 @@ MODULE_PARM_DESC(txbuflen, "txbuflen (override driver default)");
static int bgr = -1;
module_param(bgr, int, 0000);
MODULE_PARM_DESC(bgr,
-"BGR bit (supported by some drivers).");
+ "BGR bit (supported by some drivers).");

static unsigned int startbyte;
module_param(startbyte, uint, 0000);
@@ -95,12 +96,12 @@ MODULE_PARM_DESC(init, "Init sequence, used with the custom argument");
static unsigned long debug;
module_param(debug, ulong, 0000);
MODULE_PARM_DESC(debug,
-"level: 0-7 (the remaining 29 bits is for advanced usage)");
+ "level: 0-7 (the remaining 29 bits is for advanced usage)");

static unsigned int verbose = 3;
module_param(verbose, uint, 0000);
MODULE_PARM_DESC(verbose,
-"0 silent, >0 show gpios, >1 show devices, >2 show devices before (default=3)");
+ "0 silent, >0 show gpios, >1 show devices, >2 show devices before (default=3)");

struct fbtft_device_display {
char *name;
@@ -112,7 +113,10 @@ static void fbtft_device_pdev_release(struct device *dev);

static int write_gpio16_wr_slow(struct fbtft_par *par, void *buf, size_t len);
static void adafruit18_green_tab_set_addr_win(struct fbtft_par *par,
- int xs, int ys, int xe, int ye);
+ int xs,
+ int ys,
+ int xe,
+ int ye);

#define ADAFRUIT18_GAMMA \
"02 1c 07 12 37 32 29 2d 29 25 2B 39 00 01 03 10\n" \
@@ -261,6 +265,10 @@ static const s16 waveshare32b_init_sequence[] = {
-3
};

+#define PIOLED_GAMMA "0 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 " \
+ "2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 " \
+ "3 3 3 4 4 4 4 4 4 4 4 4 4 4 4"
+
/* Supported displays in alphabetical order */
static struct fbtft_device_display displays[] = {
{
@@ -889,14 +897,7 @@ static struct fbtft_device_display displays[] = {
{ "dc", 25 },
{},
},
- .gamma = "0 2 2 2 2 2 2 2 "
- "2 2 2 2 2 2 2 2 "
- "2 2 2 2 2 2 2 2 "
- "2 2 2 2 2 2 2 3 "
- "3 3 3 3 3 3 3 3 "
- "3 3 3 3 3 3 3 3 "
- "3 3 3 4 4 4 4 4 "
- "4 4 4 4 4 4 4"
+ .gamma = PIOLED_GAMMA
}
}
}, {
@@ -1243,7 +1244,7 @@ static int write_gpio16_wr_slow(struct fbtft_par *par, void *buf, size_t len)
#endif

fbtft_par_dbg_hex(DEBUG_WRITE, par, par->info->device, u8, buf, len,
- "%s(len=%d): ", __func__, len);
+ "%s(len=%d): ", __func__, len);

while (len) {
data = *(u16 *)buf;
@@ -1259,7 +1260,7 @@ static int write_gpio16_wr_slow(struct fbtft_par *par, void *buf, size_t len)
for (i = 0; i < 16; i++) {
if ((data & 1) != (prev_data & 1))
gpio_set_value(par->gpio.db[i],
- data & 1);
+ data & 1);
data >>= 1;
prev_data >>= 1;
}
@@ -1285,7 +1286,10 @@ static int write_gpio16_wr_slow(struct fbtft_par *par, void *buf, size_t len)
}

static void adafruit18_green_tab_set_addr_win(struct fbtft_par *par,
- int xs, int ys, int xe, int ye)
+ int xs,
+ int ys,
+ int xe,
+ int ye)
{
write_reg(par, 0x2A, 0, xs + 2, 0, xe + 2);
write_reg(par, 0x2B, 0, ys + 1, 0, ye + 1);
@@ -1476,7 +1480,7 @@ static int __init fbtft_device_init(void)
size_t len;

len = strlcpy(displays[i].spi->modalias, name,
- SPI_NAME_SIZE);
+ SPI_NAME_SIZE);
if (len >= SPI_NAME_SIZE)
pr_warn("modalias (name) truncated to: %s\n",
displays[i].spi->modalias);
diff --git a/drivers/staging/fbtft/flexfb.c b/drivers/staging/fbtft/flexfb.c
index f676c9b853f1..674452866f91 100644
--- a/drivers/staging/fbtft/flexfb.c
+++ b/drivers/staging/fbtft/flexfb.c
@@ -667,11 +667,15 @@ static int flexfb_probe_common(struct spi_device *sdev,
case 8:
par->fbtftops.write_vmem = fbtft_write_vmem16_bus8;
if (!par->startbyte)
- par->fbtftops.verify_gpios = flexfb_verify_gpios_dc;
+ par->fbtftops.verify_gpios =
+ flexfb_verify_gpios_dc;
break;
case 9:
if (regwidth == 16) {
- dev_err(dev, "argument 'regwidth': %d is not supported with buswidth=%d and SPI.\n", regwidth, buswidth);
+ dev_err(dev,
+ "argument 'regwidth': %d is not supported with buswidth=%d and SPI.\n",
+ regwidth,
+ buswidth);
return -EINVAL;
}
par->fbtftops.write_register = fbtft_write_reg8_bus9;
@@ -679,22 +683,27 @@ static int flexfb_probe_common(struct spi_device *sdev,
if (par->spi->master->bits_per_word_mask
& SPI_BPW_MASK(9)) {
par->spi->bits_per_word = 9;
- } else {
- dev_warn(dev,
- "9-bit SPI not available, emulating using 8-bit.\n");
- /* allocate buffer with room for dc bits */
- par->extra = devm_kzalloc(par->info->device,
- par->txbuf.len + (par->txbuf.len / 8) + 8,
- GFP_KERNEL);
- if (!par->extra) {
- ret = -ENOMEM;
- goto out_release;
- }
- par->fbtftops.write = fbtft_write_spi_emulate_9;
+ break;
}
+
+ dev_warn(dev,
+ "9-bit SPI not available, emulating using 8-bit.\n");
+ /* allocate buffer with room for dc bits */
+ par->extra = devm_kzalloc(par->info->device,
+ par->txbuf.len
+ + (par->txbuf.len / 8) + 8,
+ GFP_KERNEL);
+ if (!par->extra) {
+ ret = -ENOMEM;
+ goto out_release;
+ }
+ par->fbtftops.write = fbtft_write_spi_emulate_9;
+
break;
default:
- dev_err(dev, "argument 'buswidth': %d is not supported with SPI.\n", buswidth);
+ dev_err(dev,
+ "argument 'buswidth': %d is not supported with SPI.\n",
+ buswidth);
return -EINVAL;
}
} else {
@@ -707,13 +716,16 @@ static int flexfb_probe_common(struct spi_device *sdev,
case 16:
par->fbtftops.write_register = fbtft_write_reg16_bus16;
if (latched)
- par->fbtftops.write = fbtft_write_gpio16_wr_latched;
+ par->fbtftops.write =
+ fbtft_write_gpio16_wr_latched;
else
par->fbtftops.write = fbtft_write_gpio16_wr;
par->fbtftops.write_vmem = fbtft_write_vmem16_bus16;
break;
default:
- dev_err(dev, "argument 'buswidth': %d is not supported with parallel.\n", buswidth);
+ dev_err(dev,
+ "argument 'buswidth': %d is not supported with parallel.\n",
+ buswidth);
return -EINVAL;
}
}
--
2.18.0