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authorGuennadi Liakhovetski <g.liakhovetski@pengutronix.de>2008-04-22 19:42:08 +0200
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-04-24 19:07:43 +0200
commitb4333a3baecfeee35317c03cf08952cc04bd149a (patch)
treee3d779aab6705f9bab22b8381be76f310ac832b4 /drivers/media/video/mt9m001.c
parentV4L/DVB (7214): tda18271: move init functions to directly above tda18271_tune (diff)
downloadlinux-b4333a3baecfeee35317c03cf08952cc04bd149a.tar.xz
linux-b4333a3baecfeee35317c03cf08952cc04bd149a.zip
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/mt9m001.c')
-rw-r--r--drivers/media/video/mt9m001.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/media/video/mt9m001.c b/drivers/media/video/mt9m001.c
index 3c5867c378d3..b65ff7745b8d 100644
--- a/drivers/media/video/mt9m001.c
+++ b/drivers/media/video/mt9m001.c
@@ -154,7 +154,7 @@ static int bus_switch_request(struct mt9m001 *mt9m001,
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, "mt9m001");
if (ret < 0) {
@@ -174,7 +174,7 @@ static int bus_switch_request(struct mt9m001 *mt9m001,
mt9m001->switch_gpio = gpio;
#else
- mt9m001->switch_gpio = NO_GPIO;
+ mt9m001->switch_gpio = -EINVAL;
#endif
return 0;
}
@@ -182,7 +182,7 @@ static int bus_switch_request(struct mt9m001 *mt9m001,
static void bus_switch_release(struct mt9m001 *mt9m001)
{
#ifdef CONFIG_MT9M001_PCA9536_SWITCH
- if (mt9m001->switch_gpio != NO_GPIO)
+ if (gpio_is_valid(mt9m001->switch_gpio))
gpio_free(mt9m001->switch_gpio);
#endif
}
@@ -190,7 +190,7 @@ static void bus_switch_release(struct mt9m001 *mt9m001)
static int bus_switch_act(struct mt9m001 *mt9m001, int go8bit)
{
#ifdef CONFIG_MT9M001_PCA9536_SWITCH
- if (mt9m001->switch_gpio == NO_GPIO)
+ if (!gpio_is_valid(mt9m001->switch_gpio))
return -ENODEV;
gpio_set_value_cansleep(mt9m001->switch_gpio, go8bit);
@@ -224,7 +224,7 @@ static int mt9m001_set_capture_format(struct soc_camera_device *icd,
(mt9m001->datawidth != 9 && (width_flag == IS_DATAWIDTH_9)) ||
(mt9m001->datawidth != 8 && (width_flag == IS_DATAWIDTH_8))) {
/* data width switch requested */
- if (mt9m001->switch_gpio == NO_GPIO)
+ if (!gpio_is_valid(mt9m001->switch_gpio))
return -EINVAL;
/* Well, we actually only can do 10 or 8 bits... */