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[media] m5mols: Change the end of frame v4l2_subdev notification id

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Change the v4l2_device notifications id to S5P_FIMC_TX_END_NOTIFY.

Moreover, when frame capture fails, send an 'end of frame' notification
with size set to 0 to let the host driver return a buffer back to the
user and prevent applications waiting forever on DQBUF.

The notification is needed only for the s5p-fimc driver.

Acked-by: HeungJun Kim <riverful.kim@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Sylwester Nawrocki 2011-10-28 11:50:44 -03:00 committed by Mauro Carvalho Chehab
parent 92e93a1fd0
commit d5048c9a28
1 changed files with 11 additions and 2 deletions
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13
drivers/media/video/m5mols/m5mols_capture.c
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@ -1,3 +1,4 @@
/*
* The Capture code for Fujitsu M-5MOLS ISP
*
@ -25,6 +26,7 @@
#include <media/v4l2-device.h>
#include <media/v4l2-subdev.h>
#include <media/m5mols.h>
#include <media/s5p_fimc.h>
#include "m5mols.h"
#include "m5mols_reg.h"
@ -138,13 +140,20 @@ int m5mols_start_capture(struct m5mols_info *info)
if (!ret)
ret = m5mols_write(sd, CAPC_START, REG_CAP_START_MAIN);
if (!ret) {
bool captured = false;
unsigned int size;
/* Wait for the capture completion interrupt */
ret = m5mols_wait_interrupt(sd, REG_INT_CAPTURE, 2000);
if (!ret) {
captured = true;
ret = m5mols_capture_info(info);
if (!ret)
v4l2_subdev_notify(sd, 0, &info->cap.total);
}
size = captured ? info->cap.main : 0;
v4l2_dbg(1, m5mols_debug, sd, "%s: size: %d, thumb.: %d B\n",
__func__, size, info->cap.thumb);
v4l2_subdev_notify(sd, S5P_FIMC_TX_END_NOTIFY, &size);
}
return ret;