[alsa-devel] [PATCH v2 32/32] ASoC: Intel: bytcr_rt5651: Select RCCLK on init()

Hans de Goede hdegoede at redhat.com
Sun Feb 25 11:47:13 CET 2018


When the BYT_RT5651_MCLK_EN quirk is set, we disable the MCLK from
byt_rt5651_init(), we need to select the RCCLK as sysclk before doing this
to make sure that jack-detect works directly after boot.

Signed-off-by: Hans de Goede <hdegoede at redhat.com>
---
 sound/soc/intel/boards/bytcr_rt5651.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/sound/soc/intel/boards/bytcr_rt5651.c b/sound/soc/intel/boards/bytcr_rt5651.c
index c695247341f3..ceb3858a0e41 100644
--- a/sound/soc/intel/boards/bytcr_rt5651.c
+++ b/sound/soc/intel/boards/bytcr_rt5651.c
@@ -425,6 +425,11 @@ static int byt_rt5651_init(struct snd_soc_pcm_runtime *runtime)
 
 	card->dapm.idle_bias_off = true;
 
+	/* Start with RC clk for jack-detect (we disable MCLK below) */
+	if (byt_rt5651_quirk & BYT_RT5651_MCLK_EN)
+		snd_soc_component_update_bits(codec, RT5651_GLB_CLK,
+			RT5651_SCLK_SRC_MASK, RT5651_SCLK_SRC_RCCLK);
+
 	switch (BYT_RT5651_MAP(byt_rt5651_quirk)) {
 	case BYT_RT5651_IN1_MAP:
 		custom_map = byt_rt5651_intmic_in1_map;
-- 
2.14.3



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