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authorGuennadi Liakhovetski <g.liakhovetski@pengutronix.de>2008-04-22 17:42:08 (GMT)
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-04-24 17:07:43 (GMT)
commitb4333a3baecfeee35317c03cf08952cc04bd149a (patch)
treee3d779aab6705f9bab22b8381be76f310ac832b4 /drivers/media/video/mt9v022.c
parent12afe3781870cad7b6bbe83a2f8c4dd9ec7bf214 (diff)
downloadlinux-b4333a3baecfeee35317c03cf08952cc04bd149a.tar.xz
V4L/DVB (7217): Replace NO_GPIO with gpio_is_valid()
Upon suggestion by David Brownell use a gpio_is_valid() predicate instead of an explicit NO_GPIO macro. The respective patch to include/asm-generic/gpio.h has been accepted upstream. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@pengutronix.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/mt9v022.c')
-rw-r--r--drivers/media/video/mt9v022.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/media/video/mt9v022.c b/drivers/media/video/mt9v022.c
index 9b406e41..5fbeaa3 100644
--- a/drivers/media/video/mt9v022.c
+++ b/drivers/media/video/mt9v022.c
@@ -187,7 +187,7 @@ static int bus_switch_request(struct mt9v022 *mt9v022, struct soc_camera_link *i
int ret;
unsigned int gpio = icl->gpio;
- if (gpio != NO_GPIO) {
+ if (gpio_is_valid(gpio)) {
/* We have a data bus switch. */
ret = gpio_request(gpio, "mt9v022");
if (ret < 0) {
@@ -206,7 +206,7 @@ static int bus_switch_request(struct mt9v022 *mt9v022, struct soc_camera_link *i
mt9v022->switch_gpio = gpio;
#else
- mt9v022->switch_gpio = NO_GPIO;
+ mt9v022->switch_gpio = -EINVAL;
#endif
return 0;
}
@@ -214,7 +214,7 @@ static int bus_switch_request(struct mt9v022 *mt9v022, struct soc_camera_link *i
static void bus_switch_release(struct mt9v022 *mt9v022)
{
#ifdef CONFIG_MT9V022_PCA9536_SWITCH
- if (mt9v022->switch_gpio != NO_GPIO)
+ if (gpio_is_valid(mt9v022->switch_gpio))
gpio_free(mt9v022->switch_gpio);
#endif
}
@@ -222,7 +222,7 @@ static void bus_switch_release(struct mt9v022 *mt9v022)
static int bus_switch_act(struct mt9v022 *mt9v022, int go8bit)
{
#ifdef CONFIG_MT9V022_PCA9536_SWITCH
- if (mt9v022->switch_gpio == NO_GPIO)
+ if (!gpio_is_valid(mt9v022->switch_gpio))
return -ENODEV;
gpio_set_value_cansleep(mt9v022->switch_gpio, go8bit);
@@ -303,7 +303,7 @@ static int mt9v022_set_capture_format(struct soc_camera_device *icd,
(mt9v022->datawidth != 9 && (width_flag == IS_DATAWIDTH_9)) ||
(mt9v022->datawidth != 8 && (width_flag == IS_DATAWIDTH_8))) {
/* data width switch requested */
- if (mt9v022->switch_gpio == NO_GPIO)
+ if (!gpio_is_valid(mt9v022->switch_gpio))
return -EINVAL;
/* Well, we actually only can do 10 or 8 bits... */