On Braswell, we need to add some machine specific setting before suspend and after resume. For example, disable/enable jack detection in codec so use snd_soc_card suspend_pre and resume_post ops for this purpose.
Signed-off-by: Jin Yao yao.jin@linux.intel.com --- sound/soc/intel/cht_bsw_rt5672.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+)
diff --git a/sound/soc/intel/cht_bsw_rt5672.c b/sound/soc/intel/cht_bsw_rt5672.c index 279df4c..c41fae3 100644 --- a/sound/soc/intel/cht_bsw_rt5672.c +++ b/sound/soc/intel/cht_bsw_rt5672.c @@ -267,6 +267,35 @@ static struct snd_soc_dai_link cht_dailink[] = { }, };
+static int cht_suspend_pre(struct snd_soc_card *card) +{ + struct snd_soc_codec *codec; + + list_for_each_entry(codec, &card->codec_dev_list, card_list) { + if (!strcmp(codec->component.name, "i2c-10EC5670:00")) { + dev_dbg(codec->dev, "disabling jack detect before going to suspend.\n"); + rt5670_jack_suspend(codec); + break; + } + } + return 0; +} + +static int cht_resume_post(struct snd_soc_card *card) +{ + struct snd_soc_codec *codec; + + list_for_each_entry(codec, &card->codec_dev_list, card_list) { + if (!strcmp(codec->component.name, "i2c-10EC5670:00")) { + dev_dbg(codec->dev, "enabling jack detect for resume.\n"); + rt5670_jack_resume(codec); + break; + } + } + + return 0; +} + /* SoC card */ static struct snd_soc_card snd_soc_card_cht = { .name = "cherrytrailcraudio", @@ -278,6 +307,8 @@ static struct snd_soc_card snd_soc_card_cht = { .num_dapm_routes = ARRAY_SIZE(cht_audio_map), .controls = cht_mc_controls, .num_controls = ARRAY_SIZE(cht_mc_controls), + .suspend_pre = cht_suspend_pre, + .resume_post = cht_resume_post, };
static int snd_cht_mc_probe(struct platform_device *pdev)