summaryrefslogtreecommitdiffstats
path: root/drivers/media
diff options
context:
space:
mode:
authorMauro Carvalho Chehab <mchehab@s-opensource.com>2017-10-05 16:17:27 -0400
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2017-12-18 14:14:29 -0500
commit4eb2f55728abbe5adb526a9553752d0add5a9550 (patch)
treed85c517a961f397829fd5d40cac789616957d4ab /drivers/media
parent0722ef82e573bce8254f69ff314ef0edbfd1c1f0 (diff)
downloadlinux-4eb2f55728abbe5adb526a9553752d0add5a9550.tar.gz
linux-4eb2f55728abbe5adb526a9553752d0add5a9550.tar.bz2
linux-4eb2f55728abbe5adb526a9553752d0add5a9550.zip
media: v4l2-subdev: better document IO pin configuration flags
Convert V4L2_SUBDEV_IO_PIN_* to enums, use BIT() and document via kernel-doc. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/i2c/cx25840/cx25840-core.c18
-rw-r--r--drivers/media/pci/cx23885/cx23885-cards.c6
2 files changed, 12 insertions, 12 deletions
diff --git a/drivers/media/i2c/cx25840/cx25840-core.c b/drivers/media/i2c/cx25840/cx25840-core.c
index 940c8b171249..2189980a0f29 100644
--- a/drivers/media/i2c/cx25840/cx25840-core.c
+++ b/drivers/media/i2c/cx25840/cx25840-core.c
@@ -201,14 +201,14 @@ static int cx23885_s_io_pin_config(struct v4l2_subdev *sd, size_t n,
} else {
/* IRQ_N */
if (p[i].flags &
- (V4L2_SUBDEV_IO_PIN_DISABLE |
- V4L2_SUBDEV_IO_PIN_INPUT)) {
+ (BIT(V4L2_SUBDEV_IO_PIN_DISABLE) |
+ BIT(V4L2_SUBDEV_IO_PIN_INPUT))) {
pin_ctrl &= ~(0x1 << 25);
} else {
pin_ctrl |= (0x1 << 25);
}
if (p[i].flags &
- V4L2_SUBDEV_IO_PIN_ACTIVE_LOW) {
+ BIT(V4L2_SUBDEV_IO_PIN_ACTIVE_LOW)) {
pin_ctrl &= ~(0x1 << 24);
} else {
pin_ctrl |= (0x1 << 24);
@@ -224,7 +224,7 @@ static int cx23885_s_io_pin_config(struct v4l2_subdev *sd, size_t n,
} else {
/* GPIO19 */
gpio_oe &= ~(0x1 << 0);
- if (p[i].flags & V4L2_SUBDEV_IO_PIN_SET_VALUE) {
+ if (p[i].flags & BIT(V4L2_SUBDEV_IO_PIN_SET_VALUE)) {
gpio_data &= ~(0x1 << 0);
gpio_data |= ((p[i].value & 0x1) << 0);
}
@@ -236,7 +236,7 @@ static int cx23885_s_io_pin_config(struct v4l2_subdev *sd, size_t n,
if (p[i].function != CX23885_PAD_GPIO20) {
/* IR_TX */
gpio_oe |= (0x1 << 1);
- if (p[i].flags & V4L2_SUBDEV_IO_PIN_DISABLE)
+ if (p[i].flags & BIT(V4L2_SUBDEV_IO_PIN_DISABLE))
pin_ctrl &= ~(0x1 << 10);
else
pin_ctrl |= (0x1 << 10);
@@ -245,7 +245,7 @@ static int cx23885_s_io_pin_config(struct v4l2_subdev *sd, size_t n,
} else {
/* GPIO20 */
gpio_oe &= ~(0x1 << 1);
- if (p[i].flags & V4L2_SUBDEV_IO_PIN_SET_VALUE) {
+ if (p[i].flags & BIT(V4L2_SUBDEV_IO_PIN_SET_VALUE)) {
gpio_data &= ~(0x1 << 1);
gpio_data |= ((p[i].value & 0x1) << 1);
}
@@ -263,7 +263,7 @@ static int cx23885_s_io_pin_config(struct v4l2_subdev *sd, size_t n,
} else {
/* GPIO21 */
gpio_oe &= ~(0x1 << 2);
- if (p[i].flags & V4L2_SUBDEV_IO_PIN_SET_VALUE) {
+ if (p[i].flags & BIT(V4L2_SUBDEV_IO_PIN_SET_VALUE)) {
gpio_data &= ~(0x1 << 2);
gpio_data |= ((p[i].value & 0x1) << 2);
}
@@ -281,7 +281,7 @@ static int cx23885_s_io_pin_config(struct v4l2_subdev *sd, size_t n,
} else {
/* GPIO22 */
gpio_oe &= ~(0x1 << 3);
- if (p[i].flags & V4L2_SUBDEV_IO_PIN_SET_VALUE) {
+ if (p[i].flags & BIT(V4L2_SUBDEV_IO_PIN_SET_VALUE)) {
gpio_data &= ~(0x1 << 3);
gpio_data |= ((p[i].value & 0x1) << 3);
}
@@ -299,7 +299,7 @@ static int cx23885_s_io_pin_config(struct v4l2_subdev *sd, size_t n,
} else {
/* GPIO23 */
gpio_oe &= ~(0x1 << 4);
- if (p[i].flags & V4L2_SUBDEV_IO_PIN_SET_VALUE) {
+ if (p[i].flags & BIT(V4L2_SUBDEV_IO_PIN_SET_VALUE)) {
gpio_data &= ~(0x1 << 4);
gpio_data |= ((p[i].value & 0x1) << 4);
}
diff --git a/drivers/media/pci/cx23885/cx23885-cards.c b/drivers/media/pci/cx23885/cx23885-cards.c
index 28eab9c518c5..3622521431f5 100644
--- a/drivers/media/pci/cx23885/cx23885-cards.c
+++ b/drivers/media/pci/cx23885/cx23885-cards.c
@@ -1816,13 +1816,13 @@ int cx23885_ir_init(struct cx23885_dev *dev)
{
static struct v4l2_subdev_io_pin_config ir_rxtx_pin_cfg[] = {
{
- .flags = V4L2_SUBDEV_IO_PIN_INPUT,
+ .flags = BIT(V4L2_SUBDEV_IO_PIN_INPUT),
.pin = CX23885_PIN_IR_RX_GPIO19,
.function = CX23885_PAD_IR_RX,
.value = 0,
.strength = CX25840_PIN_DRIVE_MEDIUM,
}, {
- .flags = V4L2_SUBDEV_IO_PIN_OUTPUT,
+ .flags = BIT(V4L2_SUBDEV_IO_PIN_OUTPUT),
.pin = CX23885_PIN_IR_TX_GPIO20,
.function = CX23885_PAD_IR_TX,
.value = 0,
@@ -1833,7 +1833,7 @@ int cx23885_ir_init(struct cx23885_dev *dev)
static struct v4l2_subdev_io_pin_config ir_rx_pin_cfg[] = {
{
- .flags = V4L2_SUBDEV_IO_PIN_INPUT,
+ .flags = BIT(V4L2_SUBDEV_IO_PIN_INPUT),
.pin = CX23885_PIN_IR_RX_GPIO19,
.function = CX23885_PAD_IR_RX,
.value = 0,