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drivers: video: sw_generator: Flagged signal management

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Driver needs to deal with signal/poll only if CONFIG_POLL is enabled.

Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
This commit is contained in:
Loic Poulain 2019-11-29 10:13:57 +01:00 committed by Maureen Helm
parent f0c3ea63ef
commit 27a587db3c
1 changed files with 7 additions and 4 deletions
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11
drivers/video/video_sw_generator.c
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@ -17,9 +17,9 @@ struct video_sw_generator_data {
struct k_fifo fifo_out;
struct k_delayed_work buf_work;
int pattern;
struct k_poll_signal *signal;
bool ctrl_hflip;
bool ctrl_vflip;
struct k_poll_signal *signal;
};
static int video_sw_generator_set_fmt(struct device *dev,
@ -115,8 +115,7 @@ static void __buffer_work(struct k_work *work)
k_fifo_put(&data->fifo_out, vbuf);
/* Event */
if (data->signal) {
if (IS_ENABLED(CONFIG_POLL) && data->signal) {
k_poll_signal_raise(data->signal, VIDEO_BUF_DONE);
}
@ -171,7 +170,7 @@ static int video_sw_generator_flush(struct device *dev,
} else {
while ((vbuf = k_fifo_get(&data->fifo_in, K_NO_WAIT))) {
k_fifo_put(&data->fifo_out, vbuf);
if (data->signal) {
if (IS_ENABLED(CONFIG_POLL) && data->signal) {
k_poll_signal_raise(data->signal,
VIDEO_BUF_ABORTED);
}
@ -204,6 +203,7 @@ static int video_sw_generator_get_caps(struct device *dev,
return 0;
}
#ifdef CONFIG_POLL
static int video_sw_generator_set_signal(struct device *dev,
enum video_endpoint_id ep,
struct k_poll_signal *signal)
@ -218,6 +218,7 @@ static int video_sw_generator_set_signal(struct device *dev,
return 0;
}
#endif
static inline int video_sw_generator_set_ctrl(struct device *dev,
unsigned int cid,
@ -246,7 +247,9 @@ static const struct video_driver_api video_sw_generator_driver_api = {
.dequeue = video_sw_generator_dequeue,
.get_caps = video_sw_generator_get_caps,
.set_ctrl = video_sw_generator_set_ctrl,
#ifdef CONFIG_POLL
.set_signal = video_sw_generator_set_signal,
#endif
};
static struct video_sw_generator_data video_sw_generator_data_0 = {