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[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: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -360,6 +360,9 @@ static int vidioc_s_hw_freq_seek(struct file *file, void *priv,
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if (seek->tuner != 0 || !seek->wrap_around)
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return -EINVAL;
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if (file->f_flags & O_NONBLOCK)
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return -EWOULDBLOCK;
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retval = amradio_send_cmd(radio,
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AMRADIO_SET_SEARCH_LVL, 0, buf, 8, false);
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if (retval)
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@ -397,6 +397,9 @@ static int vidioc_s_hw_freq_seek(struct file *file, void *fh,
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if (a->tuner || a->wrap_around)
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return -EINVAL;
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if (file->f_flags & O_NONBLOCK)
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return -EWOULDBLOCK;
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if (rangelow || rangehigh) {
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for (i = 0; i < ARRAY_SIZE(bands); i++) {
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if (i == BAND_AM && !tea->has_am)
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@ -1693,6 +1693,9 @@ static int wl1273_fm_vidioc_s_hw_freq_seek(struct file *file, void *priv,
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if (seek->tuner != 0 || seek->type != V4L2_TUNER_RADIO)
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return -EINVAL;
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if (file->f_flags & O_NONBLOCK)
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return -EWOULDBLOCK;
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if (mutex_lock_interruptible(&core->lock))
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return -EINTR;
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@ -708,6 +708,9 @@ static int si470x_vidioc_s_hw_freq_seek(struct file *file, void *priv,
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if (seek->tuner != 0)
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return -EINVAL;
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if (file->f_flags & O_NONBLOCK)
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return -EWOULDBLOCK;
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return si470x_set_seek(radio, seek);
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}
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@ -408,6 +408,9 @@ static int fm_v4l2_vidioc_s_hw_freq_seek(struct file *file, void *priv,
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struct fmdev *fmdev = video_drvdata(file);
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int ret;
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if (file->f_flags & O_NONBLOCK)
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return -EWOULDBLOCK;
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if (fmdev->curr_fmmode != FM_MODE_RX) {
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ret = fmc_set_mode(fmdev, FM_MODE_RX);
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if (ret != 0) {
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@ -368,6 +368,9 @@ static int vidioc_s_hw_freq_seek(struct file *file, void *fh,
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if (a->tuner || a->wrap_around)
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return -EINVAL;
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if (file->f_flags & O_NONBLOCK)
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return -EWOULDBLOCK;
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if (a->rangelow || a->rangehigh) {
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for (i = 0; i < ARRAY_SIZE(bands); i++) {
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if ((i == BAND_FM && tea->tea5759) ||
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