[PATCH v5 06/12] [media] vivid: Rename variable

From: Ricardo Ribalda Delgado
Date: Thu Aug 18 2016 - 22:40:50 EST

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r_y and g_u now also contain the H and V components on the HSV formats.
Rename the variables to reflect this.

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@xxxxxxxxx>
---
drivers/media/common/v4l2-tpg/v4l2-tpg-core.c | 209 +++++++++++++-------------
1 file changed, 105 insertions(+), 104 deletions(-)

diff --git a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
index 67e0aaf067b7..0aeabe92ff32 100644
--- a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
+++ b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
@@ -1012,7 +1012,7 @@ static void gen_twopix(struct tpg_data *tpg,
{
unsigned offset = odd * tpg->twopixelsize[0] / 2;
u8 alpha = tpg->alpha_component;
- u8 r_y, g_u, b_v;
+ u8 r_y_h, g_u_s, b_v;

if (tpg->alpha_red_only && color != TPG_COLOR_CSC_RED &&
color != TPG_COLOR_100_RED &&
@@ -1020,161 +1020,161 @@ static void gen_twopix(struct tpg_data *tpg,
alpha = 0;
if (color == TPG_COLOR_RANDOM)
precalculate_color(tpg, color);
- r_y = tpg->colors[color][0]; /* R or precalculated Y, H */
- g_u = tpg->colors[color][1]; /* G or precalculated U, V */
+ r_y_h = tpg->colors[color][0]; /* R or precalculated Y, H */
+ g_u_s = tpg->colors[color][1]; /* G or precalculated U, V */
b_v = tpg->colors[color][2]; /* B or precalculated V */

switch (tpg->fourcc) {
case V4L2_PIX_FMT_GREY:
- buf[0][offset] = r_y;
+ buf[0][offset] = r_y_h;
break;
case V4L2_PIX_FMT_Y16:
/*
- * Ideally both bytes should be set to r_y, but then you won't
+ * Ideally both bytes should be set to r_y_h, but then you won't
* be able to detect endian problems. So keep it 0 except for
- * the corner case where r_y is 0xff so white really will be
+ * the corner case where r_y_h is 0xff so white really will be
* white (0xffff).
*/
- buf[0][offset] = r_y == 0xff ? r_y : 0;
- buf[0][offset+1] = r_y;
+ buf[0][offset] = r_y_h == 0xff ? r_y_h : 0;
+ buf[0][offset+1] = r_y_h;
break;
case V4L2_PIX_FMT_Y16_BE:
/* See comment for V4L2_PIX_FMT_Y16 above */
- buf[0][offset] = r_y;
- buf[0][offset+1] = r_y == 0xff ? r_y : 0;
+ buf[0][offset] = r_y_h;
+ buf[0][offset+1] = r_y_h == 0xff ? r_y_h : 0;
break;
case V4L2_PIX_FMT_YUV422M:
case V4L2_PIX_FMT_YUV422P:
case V4L2_PIX_FMT_YUV420:
case V4L2_PIX_FMT_YUV420M:
- buf[0][offset] = r_y;
+ buf[0][offset] = r_y_h;
if (odd) {
- buf[1][0] = (buf[1][0] + g_u) / 2;
+ buf[1][0] = (buf[1][0] + g_u_s) / 2;
buf[2][0] = (buf[2][0] + b_v) / 2;
buf[1][1] = buf[1][0];
buf[2][1] = buf[2][0];
break;
}
- buf[1][0] = g_u;
+ buf[1][0] = g_u_s;
buf[2][0] = b_v;
break;
case V4L2_PIX_FMT_YVU422M:
case V4L2_PIX_FMT_YVU420:
case V4L2_PIX_FMT_YVU420M:
- buf[0][offset] = r_y;
+ buf[0][offset] = r_y_h;
if (odd) {
buf[1][0] = (buf[1][0] + b_v) / 2;
- buf[2][0] = (buf[2][0] + g_u) / 2;
+ buf[2][0] = (buf[2][0] + g_u_s) / 2;
buf[1][1] = buf[1][0];
buf[2][1] = buf[2][0];
break;
}
buf[1][0] = b_v;
- buf[2][0] = g_u;
+ buf[2][0] = g_u_s;
break;

case V4L2_PIX_FMT_NV12:
case V4L2_PIX_FMT_NV12M:
case V4L2_PIX_FMT_NV16:
case V4L2_PIX_FMT_NV16M:
- buf[0][offset] = r_y;
+ buf[0][offset] = r_y_h;
if (odd) {
- buf[1][0] = (buf[1][0] + g_u) / 2;
+ buf[1][0] = (buf[1][0] + g_u_s) / 2;
buf[1][1] = (buf[1][1] + b_v) / 2;
break;
}
- buf[1][0] = g_u;
+ buf[1][0] = g_u_s;
buf[1][1] = b_v;
break;
case V4L2_PIX_FMT_NV21:
case V4L2_PIX_FMT_NV21M:
case V4L2_PIX_FMT_NV61:
case V4L2_PIX_FMT_NV61M:
- buf[0][offset] = r_y;
+ buf[0][offset] = r_y_h;
if (odd) {
buf[1][0] = (buf[1][0] + b_v) / 2;
- buf[1][1] = (buf[1][1] + g_u) / 2;
+ buf[1][1] = (buf[1][1] + g_u_s) / 2;
break;
}
buf[1][0] = b_v;
- buf[1][1] = g_u;
+ buf[1][1] = g_u_s;
break;

case V4L2_PIX_FMT_YUV444M:
- buf[0][offset] = r_y;
- buf[1][offset] = g_u;
+ buf[0][offset] = r_y_h;
+ buf[1][offset] = g_u_s;
buf[2][offset] = b_v;
break;

case V4L2_PIX_FMT_YVU444M:
- buf[0][offset] = r_y;
+ buf[0][offset] = r_y_h;
buf[1][offset] = b_v;
- buf[2][offset] = g_u;
+ buf[2][offset] = g_u_s;
break;

case V4L2_PIX_FMT_NV24:
- buf[0][offset] = r_y;
- buf[1][2 * offset] = g_u;
+ buf[0][offset] = r_y_h;
+ buf[1][2 * offset] = g_u_s;
buf[1][2 * offset + 1] = b_v;
break;

case V4L2_PIX_FMT_NV42:
- buf[0][offset] = r_y;
+ buf[0][offset] = r_y_h;
buf[1][2 * offset] = b_v;
- buf[1][2 * offset + 1] = g_u;
+ buf[1][2 * offset + 1] = g_u_s;
break;

case V4L2_PIX_FMT_YUYV:
- buf[0][offset] = r_y;
+ buf[0][offset] = r_y_h;
if (odd) {
- buf[0][1] = (buf[0][1] + g_u) / 2;
+ buf[0][1] = (buf[0][1] + g_u_s) / 2;
buf[0][3] = (buf[0][3] + b_v) / 2;
break;
}
- buf[0][1] = g_u;
+ buf[0][1] = g_u_s;
buf[0][3] = b_v;
break;
case V4L2_PIX_FMT_UYVY:
- buf[0][offset + 1] = r_y;
+ buf[0][offset + 1] = r_y_h;
if (odd) {
- buf[0][0] = (buf[0][0] + g_u) / 2;
+ buf[0][0] = (buf[0][0] + g_u_s) / 2;
buf[0][2] = (buf[0][2] + b_v) / 2;
break;
}
- buf[0][0] = g_u;
+ buf[0][0] = g_u_s;
buf[0][2] = b_v;
break;
case V4L2_PIX_FMT_YVYU:
- buf[0][offset] = r_y;
+ buf[0][offset] = r_y_h;
if (odd) {
buf[0][1] = (buf[0][1] + b_v) / 2;
- buf[0][3] = (buf[0][3] + g_u) / 2;
+ buf[0][3] = (buf[0][3] + g_u_s) / 2;
break;
}
buf[0][1] = b_v;
- buf[0][3] = g_u;
+ buf[0][3] = g_u_s;
break;
case V4L2_PIX_FMT_VYUY:
- buf[0][offset + 1] = r_y;
+ buf[0][offset + 1] = r_y_h;
if (odd) {
buf[0][0] = (buf[0][0] + b_v) / 2;
- buf[0][2] = (buf[0][2] + g_u) / 2;
+ buf[0][2] = (buf[0][2] + g_u_s) / 2;
break;
}
buf[0][0] = b_v;
- buf[0][2] = g_u;
+ buf[0][2] = g_u_s;
break;
case V4L2_PIX_FMT_RGB332:
- buf[0][offset] = (r_y << 5) | (g_u << 2) | b_v;
+ buf[0][offset] = (r_y_h << 5) | (g_u_s << 2) | b_v;
break;
case V4L2_PIX_FMT_YUV565:
case V4L2_PIX_FMT_RGB565:
- buf[0][offset] = (g_u << 5) | b_v;
- buf[0][offset + 1] = (r_y << 3) | (g_u >> 3);
+ buf[0][offset] = (g_u_s << 5) | b_v;
+ buf[0][offset + 1] = (r_y_h << 3) | (g_u_s >> 3);
break;
case V4L2_PIX_FMT_RGB565X:
- buf[0][offset] = (r_y << 3) | (g_u >> 3);
- buf[0][offset + 1] = (g_u << 5) | b_v;
+ buf[0][offset] = (r_y_h << 3) | (g_u_s >> 3);
+ buf[0][offset + 1] = (g_u_s << 5) | b_v;
break;
case V4L2_PIX_FMT_RGB444:
case V4L2_PIX_FMT_XRGB444:
@@ -1182,8 +1182,8 @@ static void gen_twopix(struct tpg_data *tpg,
/* fall through */
case V4L2_PIX_FMT_YUV444:
case V4L2_PIX_FMT_ARGB444:
- buf[0][offset] = (g_u << 4) | b_v;
- buf[0][offset + 1] = (alpha & 0xf0) | r_y;
+ buf[0][offset] = (g_u_s << 4) | b_v;
+ buf[0][offset + 1] = (alpha & 0xf0) | r_y_h;
break;
case V4L2_PIX_FMT_RGB555:
case V4L2_PIX_FMT_XRGB555:
@@ -1191,32 +1191,33 @@ static void gen_twopix(struct tpg_data *tpg,
/* fall through */
case V4L2_PIX_FMT_YUV555:
case V4L2_PIX_FMT_ARGB555:
- buf[0][offset] = (g_u << 5) | b_v;
- buf[0][offset + 1] = (alpha & 0x80) | (r_y << 2) | (g_u >> 3);
+ buf[0][offset] = (g_u_s << 5) | b_v;
+ buf[0][offset + 1] = (alpha & 0x80) | (r_y_h << 2)
+ | (g_u_s >> 3);
break;
case V4L2_PIX_FMT_RGB555X:
case V4L2_PIX_FMT_XRGB555X:
alpha = 0;
/* fall through */
case V4L2_PIX_FMT_ARGB555X:
- buf[0][offset] = (alpha & 0x80) | (r_y << 2) | (g_u >> 3);
- buf[0][offset + 1] = (g_u << 5) | b_v;
+ buf[0][offset] = (alpha & 0x80) | (r_y_h << 2) | (g_u_s >> 3);
+ buf[0][offset + 1] = (g_u_s << 5) | b_v;
break;
case V4L2_PIX_FMT_RGB24:
case V4L2_PIX_FMT_HSV24:
- buf[0][offset] = r_y;
- buf[0][offset + 1] = g_u;
+ buf[0][offset] = r_y_h;
+ buf[0][offset + 1] = g_u_s;
buf[0][offset + 2] = b_v;
break;
case V4L2_PIX_FMT_BGR24:
buf[0][offset] = b_v;
- buf[0][offset + 1] = g_u;
- buf[0][offset + 2] = r_y;
+ buf[0][offset + 1] = g_u_s;
+ buf[0][offset + 2] = r_y_h;
break;
case V4L2_PIX_FMT_BGR666:
- buf[0][offset] = (b_v << 2) | (g_u >> 4);
- buf[0][offset + 1] = (g_u << 4) | (r_y >> 2);
- buf[0][offset + 2] = r_y << 6;
+ buf[0][offset] = (b_v << 2) | (g_u_s >> 4);
+ buf[0][offset + 1] = (g_u_s << 4) | (r_y_h >> 2);
+ buf[0][offset + 2] = r_y_h << 6;
buf[0][offset + 3] = 0;
break;
case V4L2_PIX_FMT_RGB32:
@@ -1227,8 +1228,8 @@ static void gen_twopix(struct tpg_data *tpg,
case V4L2_PIX_FMT_YUV32:
case V4L2_PIX_FMT_ARGB32:
buf[0][offset] = alpha;
- buf[0][offset + 1] = r_y;
- buf[0][offset + 2] = g_u;
+ buf[0][offset + 1] = r_y_h;
+ buf[0][offset + 2] = g_u_s;
buf[0][offset + 3] = b_v;
break;
case V4L2_PIX_FMT_BGR32:
@@ -1237,87 +1238,87 @@ static void gen_twopix(struct tpg_data *tpg,
/* fall through */
case V4L2_PIX_FMT_ABGR32:
buf[0][offset] = b_v;
- buf[0][offset + 1] = g_u;
- buf[0][offset + 2] = r_y;
+ buf[0][offset + 1] = g_u_s;
+ buf[0][offset + 2] = r_y_h;
buf[0][offset + 3] = alpha;
break;
case V4L2_PIX_FMT_SBGGR8:
- buf[0][offset] = odd ? g_u : b_v;
- buf[1][offset] = odd ? r_y : g_u;
+ buf[0][offset] = odd ? g_u_s : b_v;
+ buf[1][offset] = odd ? r_y_h : g_u_s;
break;
case V4L2_PIX_FMT_SGBRG8:
- buf[0][offset] = odd ? b_v : g_u;
- buf[1][offset] = odd ? g_u : r_y;
+ buf[0][offset] = odd ? b_v : g_u_s;
+ buf[1][offset] = odd ? g_u_s : r_y_h;
break;
case V4L2_PIX_FMT_SGRBG8:
- buf[0][offset] = odd ? r_y : g_u;
- buf[1][offset] = odd ? g_u : b_v;
+ buf[0][offset] = odd ? r_y_h : g_u_s;
+ buf[1][offset] = odd ? g_u_s : b_v;
break;
case V4L2_PIX_FMT_SRGGB8:
- buf[0][offset] = odd ? g_u : r_y;
- buf[1][offset] = odd ? b_v : g_u;
+ buf[0][offset] = odd ? g_u_s : r_y_h;
+ buf[1][offset] = odd ? b_v : g_u_s;
break;
case V4L2_PIX_FMT_SBGGR10:
- buf[0][offset] = odd ? g_u << 2 : b_v << 2;
- buf[0][offset + 1] = odd ? g_u >> 6 : b_v >> 6;
- buf[1][offset] = odd ? r_y << 2 : g_u << 2;
- buf[1][offset + 1] = odd ? r_y >> 6 : g_u >> 6;
+ buf[0][offset] = odd ? g_u_s << 2 : b_v << 2;
+ buf[0][offset + 1] = odd ? g_u_s >> 6 : b_v >> 6;
+ buf[1][offset] = odd ? r_y_h << 2 : g_u_s << 2;
+ buf[1][offset + 1] = odd ? r_y_h >> 6 : g_u_s >> 6;
buf[0][offset] |= (buf[0][offset] >> 2) & 3;
buf[1][offset] |= (buf[1][offset] >> 2) & 3;
break;
case V4L2_PIX_FMT_SGBRG10:
- buf[0][offset] = odd ? b_v << 2 : g_u << 2;
- buf[0][offset + 1] = odd ? b_v >> 6 : g_u >> 6;
- buf[1][offset] = odd ? g_u << 2 : r_y << 2;
- buf[1][offset + 1] = odd ? g_u >> 6 : r_y >> 6;
+ buf[0][offset] = odd ? b_v << 2 : g_u_s << 2;
+ buf[0][offset + 1] = odd ? b_v >> 6 : g_u_s >> 6;
+ buf[1][offset] = odd ? g_u_s << 2 : r_y_h << 2;
+ buf[1][offset + 1] = odd ? g_u_s >> 6 : r_y_h >> 6;
buf[0][offset] |= (buf[0][offset] >> 2) & 3;
buf[1][offset] |= (buf[1][offset] >> 2) & 3;
break;
case V4L2_PIX_FMT_SGRBG10:
- buf[0][offset] = odd ? r_y << 2 : g_u << 2;
- buf[0][offset + 1] = odd ? r_y >> 6 : g_u >> 6;
- buf[1][offset] = odd ? g_u << 2 : b_v << 2;
- buf[1][offset + 1] = odd ? g_u >> 6 : b_v >> 6;
+ buf[0][offset] = odd ? r_y_h << 2 : g_u_s << 2;
+ buf[0][offset + 1] = odd ? r_y_h >> 6 : g_u_s >> 6;
+ buf[1][offset] = odd ? g_u_s << 2 : b_v << 2;
+ buf[1][offset + 1] = odd ? g_u_s >> 6 : b_v >> 6;
buf[0][offset] |= (buf[0][offset] >> 2) & 3;
buf[1][offset] |= (buf[1][offset] >> 2) & 3;
break;
case V4L2_PIX_FMT_SRGGB10:
- buf[0][offset] = odd ? g_u << 2 : r_y << 2;
- buf[0][offset + 1] = odd ? g_u >> 6 : r_y >> 6;
- buf[1][offset] = odd ? b_v << 2 : g_u << 2;
- buf[1][offset + 1] = odd ? b_v >> 6 : g_u >> 6;
+ buf[0][offset] = odd ? g_u_s << 2 : r_y_h << 2;
+ buf[0][offset + 1] = odd ? g_u_s >> 6 : r_y_h >> 6;
+ buf[1][offset] = odd ? b_v << 2 : g_u_s << 2;
+ buf[1][offset + 1] = odd ? b_v >> 6 : g_u_s >> 6;
buf[0][offset] |= (buf[0][offset] >> 2) & 3;
buf[1][offset] |= (buf[1][offset] >> 2) & 3;
break;
case V4L2_PIX_FMT_SBGGR12:
- buf[0][offset] = odd ? g_u << 4 : b_v << 4;
- buf[0][offset + 1] = odd ? g_u >> 4 : b_v >> 4;
- buf[1][offset] = odd ? r_y << 4 : g_u << 4;
- buf[1][offset + 1] = odd ? r_y >> 4 : g_u >> 4;
+ buf[0][offset] = odd ? g_u_s << 4 : b_v << 4;
+ buf[0][offset + 1] = odd ? g_u_s >> 4 : b_v >> 4;
+ buf[1][offset] = odd ? r_y_h << 4 : g_u_s << 4;
+ buf[1][offset + 1] = odd ? r_y_h >> 4 : g_u_s >> 4;
buf[0][offset] |= (buf[0][offset] >> 4) & 0xf;
buf[1][offset] |= (buf[1][offset] >> 4) & 0xf;
break;
case V4L2_PIX_FMT_SGBRG12:
- buf[0][offset] = odd ? b_v << 4 : g_u << 4;
- buf[0][offset + 1] = odd ? b_v >> 4 : g_u >> 4;
- buf[1][offset] = odd ? g_u << 4 : r_y << 4;
- buf[1][offset + 1] = odd ? g_u >> 4 : r_y >> 4;
+ buf[0][offset] = odd ? b_v << 4 : g_u_s << 4;
+ buf[0][offset + 1] = odd ? b_v >> 4 : g_u_s >> 4;
+ buf[1][offset] = odd ? g_u_s << 4 : r_y_h << 4;
+ buf[1][offset + 1] = odd ? g_u_s >> 4 : r_y_h >> 4;
buf[0][offset] |= (buf[0][offset] >> 4) & 0xf;
buf[1][offset] |= (buf[1][offset] >> 4) & 0xf;
break;
case V4L2_PIX_FMT_SGRBG12:
- buf[0][offset] = odd ? r_y << 4 : g_u << 4;
- buf[0][offset + 1] = odd ? r_y >> 4 : g_u >> 4;
- buf[1][offset] = odd ? g_u << 4 : b_v << 4;
- buf[1][offset + 1] = odd ? g_u >> 4 : b_v >> 4;
+ buf[0][offset] = odd ? r_y_h << 4 : g_u_s << 4;
+ buf[0][offset + 1] = odd ? r_y_h >> 4 : g_u_s >> 4;
+ buf[1][offset] = odd ? g_u_s << 4 : b_v << 4;
+ buf[1][offset + 1] = odd ? g_u_s >> 4 : b_v >> 4;
buf[0][offset] |= (buf[0][offset] >> 4) & 0xf;
buf[1][offset] |= (buf[1][offset] >> 4) & 0xf;
break;
case V4L2_PIX_FMT_SRGGB12:
- buf[0][offset] = odd ? g_u << 4 : r_y << 4;
- buf[0][offset + 1] = odd ? g_u >> 4 : r_y >> 4;
- buf[1][offset] = odd ? b_v << 4 : g_u << 4;
- buf[1][offset + 1] = odd ? b_v >> 4 : g_u >> 4;
+ buf[0][offset] = odd ? g_u_s << 4 : r_y_h << 4;
+ buf[0][offset + 1] = odd ? g_u_s >> 4 : r_y_h >> 4;
+ buf[1][offset] = odd ? b_v << 4 : g_u_s << 4;
+ buf[1][offset + 1] = odd ? b_v >> 4 : g_u_s >> 4;
buf[0][offset] |= (buf[0][offset] >> 4) & 0xf;
buf[1][offset] |= (buf[1][offset] >> 4) & 0xf;
break;
--
2.8.1

Next message: Vinod Koul: "Re: [PATCH] dmaengine: qcom_hidma: release the descriptor before the callback"
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In reply to: Ricardo Ribalda Delgado: "[PATCH v5 11/12] [media] Documentation: Add HSV encodings"
Next in thread: Ricardo Ribalda Delgado: "[PATCH v5 12/12] [media] vivid: Add support for HSV encoding"
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