diff options
| author | Philipp Zabel <p.zabel@pengutronix.de> | 2015-07-17 11:02:56 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-07-22 11:26:59 -0300 |
| commit | d747b806abf41f037f7d2a076131adf8c7971a89 (patch) | |
| tree | 860ad0e702440f23470c3077f3e8ea313f105b49 /drivers/media/i2c/tc358743.c | |
| parent | 25614824685247e00b786032a504f10bfab347b1 (diff) | |
[media] tc358743: add direct interrupt handling
When probed from device tree, the i2c client driver can handle the interrupt
on its own.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/i2c/tc358743.c')
| -rw-r--r-- | drivers/media/i2c/tc358743.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/media/i2c/tc358743.c b/drivers/media/i2c/tc358743.c index 76d0aaa19493..934f6e17e06d 100644 --- a/drivers/media/i2c/tc358743.c +++ b/drivers/media/i2c/tc358743.c @@ -32,6 +32,7 @@ #include <linux/clk.h> #include <linux/delay.h> #include <linux/gpio/consumer.h> +#include <linux/interrupt.h> #include <linux/videodev2.h> #include <linux/workqueue.h> #include <linux/v4l2-dv-timings.h> @@ -1306,6 +1307,16 @@ static int tc358743_isr(struct v4l2_subdev *sd, u32 status, bool *handled) return 0; } +static irqreturn_t tc358743_irq_handler(int irq, void *dev_id) +{ + struct tc358743_state *state = dev_id; + bool handled; + + tc358743_isr(&state->sd, 0, &handled); + + return handled ? IRQ_HANDLED : IRQ_NONE; +} + /* --------------- VIDEO OPS --------------- */ static int tc358743_g_input_status(struct v4l2_subdev *sd, u32 *status) @@ -1876,6 +1887,17 @@ static int tc358743_probe(struct i2c_client *client, tc358743_set_csi_color_space(sd); tc358743_init_interrupts(sd); + + if (state->i2c_client->irq) { + err = devm_request_threaded_irq(&client->dev, + state->i2c_client->irq, + NULL, tc358743_irq_handler, + IRQF_TRIGGER_HIGH | IRQF_ONESHOT, + "tc358743", state); + if (err) + goto err_work_queues; + } + tc358743_enable_interrupts(sd, tx_5v_power_present(sd)); i2c_wr16(sd, INTMASK, ~(MASK_HDMI_MSK | MASK_CSI_MSK) & 0xffff); |