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| author | David Ellingsworth <david@identd.dyndns.org> | 2009-09-23 18:24:47 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-12-05 18:40:11 -0200 |
| commit | d8970e5fd9eace437bc2f1aaff1c2a05fb3448ea (patch) | |
| tree | f581fe2b1025cc1e51a2db8f2788edd4c3a6c29d /drivers/media/radio | |
| parent | 30dd4508b97155a3f826f877d5750d8888bc3183 (diff) | |
| download | blackbird-op-linux-d8970e5fd9eace437bc2f1aaff1c2a05fb3448ea.tar.gz blackbird-op-linux-d8970e5fd9eace437bc2f1aaff1c2a05fb3448ea.zip | |
V4L/DVB (13071): radio-mr800: preserve radio state during suspend/resume
Preserve radio state during suspend/resume.
Signed-off-by: David Ellingsworth <david@identd.dyndns.org>
Acked-by: Alexey Klimov <klimov.linux@gmail.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/radio')
| -rw-r--r-- | drivers/media/radio/radio-mr800.c | 33 |
1 files changed, 28 insertions, 5 deletions
diff --git a/drivers/media/radio/radio-mr800.c b/drivers/media/radio/radio-mr800.c index 9764eca2c498..ac2107378942 100644 --- a/drivers/media/radio/radio-mr800.c +++ b/drivers/media/radio/radio-mr800.c @@ -574,9 +574,12 @@ static int usb_amradio_suspend(struct usb_interface *intf, pm_message_t message) mutex_lock(&radio->lock); - retval = amradio_set_mute(radio, AMRADIO_STOP); - if (retval < 0) - dev_warn(&intf->dev, "amradio_stop failed\n"); + if (!radio->muted && radio->initialized) { + retval = amradio_set_mute(radio, AMRADIO_STOP); + if (retval < 0) + dev_warn(&intf->dev, "amradio_stop failed\n"); + radio->muted = 0; + } dev_info(&intf->dev, "going into suspend..\n"); @@ -592,10 +595,30 @@ static int usb_amradio_resume(struct usb_interface *intf) mutex_lock(&radio->lock); - retval = amradio_set_mute(radio, AMRADIO_START); + if (unlikely(!radio->initialized)) + goto unlock; + + if (radio->stereo) + retval = amradio_set_stereo(radio, WANT_STEREO); + else + retval = amradio_set_stereo(radio, WANT_MONO); + if (retval < 0) - dev_warn(&intf->dev, "amradio_start failed\n"); + amradio_dev_warn(&radio->videodev.dev, "set stereo failed\n"); + retval = amradio_setfreq(radio, radio->curfreq); + if (retval < 0) + amradio_dev_warn(&radio->videodev.dev, + "set frequency failed\n"); + + if (!radio->muted) { + retval = amradio_set_mute(radio, AMRADIO_START); + if (retval < 0) + dev_warn(&radio->videodev.dev, + "amradio_start failed\n"); + } + +unlock: dev_info(&intf->dev, "coming out of suspend..\n"); mutex_unlock(&radio->lock); |
