Re: [PATCH v2] input/keyboard: add ADP5588 QWERTY I2C KeyboardInput device driver

From: Dmitry Torokhov
Date: Wed Sep 16 2009 - 01:08:33 EST


On Tue, Sep 15, 2009 at 08:49:38PM -0400, Mike Frysinger wrote:
> From: Michael Hennerich <michael.hennerich@xxxxxxxxxx>
>
> Signed-off-by: Michael Hennerich <michael.hennerich@xxxxxxxxxx>
> Signed-off-by: Bryan Wu <cooloney@xxxxxxxxxx>
> Signed-off-by: Mike Frysinger <vapier@xxxxxxxxxx>
> Signed-off-by: Dmitry Torokhov <dtor@xxxxxxx>
> ---
> v2
> - merge my and Dmitry's clean up fixes
>

Looks good, I'd also like to add this instead of recalcularing delay
every time:

diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c
index 892a532..d48c808 100644
--- a/drivers/input/keyboard/adp5588-keys.c
+++ b/drivers/input/keyboard/adp5588-keys.c
@@ -63,7 +63,7 @@ struct adp5588_kpad {
struct i2c_client *client;
struct input_dev *input;
struct delayed_work work;
- unsigned revid;
+ unsigned long delay;
unsigned short keycode[ADP5588_KEYMAPSIZE];
};

@@ -119,9 +119,7 @@ static irqreturn_t adp5588_irq(int irq, void *handle)
* REVID < 4
*/

- schedule_delayed_work(&kpad->work,
- WA_DELAYED_READOUT_REVID(kpad->revid) ?
- (unsigned long) msecs_to_jiffies(30) : 0);
+ schedule_delayed_work(&kpad->work, kpad->delay);

return IRQ_HANDLED;
}
@@ -164,6 +162,7 @@ static int __devinit adp5588_probe(struct i2c_client *client,
struct adp5588_kpad *kpad;
struct adp5588_kpad_platform_data *pdata = client->dev.platform_data;
struct input_dev *input;
+ unsigned int revid;
int ret, i;
int error;

@@ -210,7 +209,9 @@ static int __devinit adp5588_probe(struct i2c_client *client,
goto err_free_mem;
}

- kpad->revid = (u8) ret & ADP5588_DEVICE_ID_MASK;
+ revid = (u8) ret & ADP5588_DEVICE_ID_MASK;
+ if (WA_DELAYED_READOUT_REVID(revid))
+ kpad->delay = msecs_to_jiffies(30);

input->name = client->name;
input->phys = "adp5588-keys/input0";
@@ -221,7 +222,7 @@ static int __devinit adp5588_probe(struct i2c_client *client,
input->id.bustype = BUS_I2C;
input->id.vendor = 0x0001;
input->id.product = 0x0001;
- input->id.version = kpad->revid;
+ input->id.version = revid;

input->keycodesize = sizeof(kpad->keycode[0]);
input->keycodemax = pdata->keymapsize;
@@ -247,8 +248,8 @@ static int __devinit adp5588_probe(struct i2c_client *client,
}

error = request_irq(client->irq, adp5588_irq,
- IRQF_TRIGGER_FALLING | IRQF_DISABLED,
- client->dev.driver->name, kpad);
+ IRQF_TRIGGER_FALLING | IRQF_DISABLED,
+ client->dev.driver->name, kpad);
if (error) {
dev_err(&client->dev, "irq %d busy?\n", client->irq);
goto err_unreg_dev;
@@ -261,9 +262,7 @@ static int __devinit adp5588_probe(struct i2c_client *client,
device_init_wakeup(&client->dev, 1);
i2c_set_clientdata(client, kpad);

- dev_info(&client->dev, "Rev.%d keypad, irq %d\n",
- kpad->revid, client->irq);
-
+ dev_info(&client->dev, "Rev.%d keypad, irq %d\n", revid, client->irq);
return 0;

err_free_irq:

--
Dmitry
--
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