diff options
| author | Guennadi Liakhovetski <g.liakhovetski@pengutronix.de> | 2008-04-22 14:42:08 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-04-24 14:07:43 -0300 |
| commit | b4333a3baecfeee35317c03cf08952cc04bd149a (patch) | |
| tree | e3d779aab6705f9bab22b8381be76f310ac832b4 /drivers/media/video/mt9m001.c | |
| parent | 12afe3781870cad7b6bbe83a2f8c4dd9ec7bf214 (diff) | |
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.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/media/video/mt9m001.c b/drivers/media/video/mt9m001.c index 3c5867c378d..b65ff7745b8 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... */ |