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Commit 617ade61 authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
Browse files

[media] radio drivers: in non-blocking mode return EAGAIN in hwseek 



VIDIOC_S_HW_FREQ_SEEK should return EAGAIN when called in non-blocking
mode. This might change in the future if we add support for this in the
future, but right now this is not supported.

Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent f9611240

drivers/media/radio/radio-mr800.c

+3 −0
Original line number Diff line number Diff line
@@ -360,6 +360,9 @@ static int vidioc_s_hw_freq_seek(struct file *file, void *priv, 
	if (seek->tuner != 0 || !seek->wrap_around)

		return -EINVAL;



	if (file->f_flags & O_NONBLOCK)

		return -EWOULDBLOCK;



	retval = amradio_send_cmd(radio,

			AMRADIO_SET_SEARCH_LVL, 0, buf, 8, false);

	if (retval)

drivers/media/radio/radio-tea5777.c

+3 −0
Original line number Diff line number Diff line
@@ -397,6 +397,9 @@ static int vidioc_s_hw_freq_seek(struct file *file, void *fh, 
	if (a->tuner || a->wrap_around)

		return -EINVAL;



	if (file->f_flags & O_NONBLOCK)

		return -EWOULDBLOCK;



	if (rangelow || rangehigh) {

		for (i = 0; i < ARRAY_SIZE(bands); i++) {

			if (i == BAND_AM && !tea->has_am)

drivers/media/radio/radio-wl1273.c

+3 −0
Original line number Diff line number Diff line
@@ -1693,6 +1693,9 @@ static int wl1273_fm_vidioc_s_hw_freq_seek(struct file *file, void *priv, 
	if (seek->tuner != 0 || seek->type != V4L2_TUNER_RADIO)

		return -EINVAL;



	if (file->f_flags & O_NONBLOCK)

		return -EWOULDBLOCK;



	if (mutex_lock_interruptible(&core->lock))

		return -EINTR;

drivers/media/radio/si470x/radio-si470x-common.c

+3 −0
Original line number Diff line number Diff line
@@ -708,6 +708,9 @@ static int si470x_vidioc_s_hw_freq_seek(struct file *file, void *priv, 
	if (seek->tuner != 0)

		return -EINVAL;



	if (file->f_flags & O_NONBLOCK)

		return -EWOULDBLOCK;



	return si470x_set_seek(radio, seek);

}

drivers/media/radio/wl128x/fmdrv_v4l2.c

+3 −0
Original line number Diff line number Diff line
@@ -408,6 +408,9 @@ static int fm_v4l2_vidioc_s_hw_freq_seek(struct file *file, void *priv, 
	struct fmdev *fmdev = video_drvdata(file);

	int ret;



	if (file->f_flags & O_NONBLOCK)

		return -EWOULDBLOCK;



	if (fmdev->curr_fmmode != FM_MODE_RX) {

		ret = fmc_set_mode(fmdev, FM_MODE_RX);

		if (ret != 0) {