On 05/02/2013 01:04 PM, Laurent Pinchart wrote:
Replace the manual validity checks for the reset GPIO with the
gpio_is_valid() function.
Signed-off-by: Laurent Pinchart<laurent.pinchart@xxxxxxxxxxxxxxxx>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>
---
drivers/media/i2c/mt9p031.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/media/i2c/mt9p031.c b/drivers/media/i2c/mt9p031.c
index 8de84c0..bf49899 100644
--- a/drivers/media/i2c/mt9p031.c
+++ b/drivers/media/i2c/mt9p031.c
@@ -272,7 +272,7 @@ static inline int mt9p031_pll_disable(struct mt9p031 *mt9p031)
static int mt9p031_power_on(struct mt9p031 *mt9p031)
{
/* Ensure RESET_BAR is low */
- if (mt9p031->reset != -1) {
+ if (gpio_is_valid(mt9p031->reset)) {
gpio_set_value(mt9p031->reset, 0);
usleep_range(1000, 2000);
}
@@ -287,7 +287,7 @@ static int mt9p031_power_on(struct mt9p031 *mt9p031)
clk_prepare_enable(mt9p031->clk);
/* Now RESET_BAR must be high */
- if (mt9p031->reset != -1) {
+ if (gpio_is_valid(mt9p031->reset)) {
gpio_set_value(mt9p031->reset, 1);
usleep_range(1000, 2000);
}
@@ -297,7 +297,7 @@ static int mt9p031_power_on(struct mt9p031 *mt9p031)
static void mt9p031_power_off(struct mt9p031 *mt9p031)
{
- if (mt9p031->reset != -1) {
+ if (gpio_is_valid(mt9p031->reset)) {
gpio_set_value(mt9p031->reset, 0);
usleep_range(1000, 2000);
}
@@ -1031,7 +1031,7 @@ static int mt9p031_probe(struct i2c_client *client,
mt9p031->format.field = V4L2_FIELD_NONE;
mt9p031->format.colorspace = V4L2_COLORSPACE_SRGB;
- if (pdata->reset != -1) {
+ if (gpio_is_valid(pdata->reset)) {
ret = devm_gpio_request_one(&client->dev, pdata->reset,
GPIOF_OUT_INIT_LOW, "mt9p031_rst");
if (ret< 0)
--
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