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Subject: [media] em28xx-audio: implement em28xx_ops: suspend/resume hooks Author: Shuah Khan <shuah...@samsung.com> Date: Fri Feb 21 21:50:14 2014 -0300 Implement em28xx_ops: suspend/resume hooks. em28xx usb driver will invoke em28xx_ops: suspend and resume hooks for all its extensions from its suspend() and resume() interfaces. Signed-off-by: Shuah Khan <shuah...@samsung.com> Signed-off-by: Mauro Carvalho Chehab <m.che...@samsung.com> drivers/media/usb/em28xx/em28xx-audio.c | 30 ++++++++++++++++++++++++++++++ 1 files changed, 30 insertions(+), 0 deletions(-) --- http://git.linuxtv.org/media_tree.git?a=commitdiff;h=6d746f91f23098c7613938b85e9b345d53b6de3f diff --git a/drivers/media/usb/em28xx/em28xx-audio.c b/drivers/media/usb/em28xx/em28xx-audio.c index 566fa09..0f5b6f3 100644 --- a/drivers/media/usb/em28xx/em28xx-audio.c +++ b/drivers/media/usb/em28xx/em28xx-audio.c @@ -989,11 +989,41 @@ static int em28xx_audio_fini(struct em28xx *dev) return 0; } +static int em28xx_audio_suspend(struct em28xx *dev) +{ + if (dev == NULL) + return 0; + + if (!dev->has_alsa_audio) + return 0; + + em28xx_info("Suspending audio extension"); + em28xx_deinit_isoc_audio(dev); + atomic_set(&dev->stream_started, 0); + return 0; +} + +static int em28xx_audio_resume(struct em28xx *dev) +{ + if (dev == NULL) + return 0; + + if (!dev->has_alsa_audio) + return 0; + + em28xx_info("Resuming audio extension"); + /* Nothing to do other than schedule_work() ?? */ + schedule_work(&dev->wq_trigger); + return 0; +} + static struct em28xx_ops audio_ops = { .id = EM28XX_AUDIO, .name = "Em28xx Audio Extension", .init = em28xx_audio_init, .fini = em28xx_audio_fini, + .suspend = em28xx_audio_suspend, + .resume = em28xx_audio_resume, }; static int __init em28xx_alsa_register(void) _______________________________________________ linuxtv-commits mailing list linuxtv-commits@linuxtv.org http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
