From c5f336cc003dfa071aaa7a01ed1c16232b227aa4 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Thu, 21 Apr 2011 14:16:14 +0100 Subject: [PATCH] ASoC: Support 24.576MHz MCLKs in WM8915 We can safely divide these down to within the supported SYSCLK range. Signed-off-by: Mark Brown Acked-by: Liam Girdwood --- sound/soc/codecs/wm8915.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/wm8915.c b/sound/soc/codecs/wm8915.c index 083609418bf..4a3c5cc77e5 100644 --- a/sound/soc/codecs/wm8915.c +++ b/sound/soc/codecs/wm8915.c @@ -1831,6 +1831,7 @@ static int wm8915_set_sysclk(struct snd_soc_dai *dai, struct snd_soc_codec *codec = dai->codec; struct wm8915_priv *wm8915 = snd_soc_codec_get_drvdata(codec); int lfclk = 0; + int ratediv = 0; int src; int old; @@ -1862,6 +1863,8 @@ static int wm8915_set_sysclk(struct snd_soc_dai *dai, snd_soc_update_bits(codec, WM8915_AIF_RATE, WM8915_SYSCLK_RATE, 0); break; + case 24576000: + ratediv = WM8915_SYSCLK_DIV; case 12288000: snd_soc_update_bits(codec, WM8915_AIF_RATE, WM8915_SYSCLK_RATE, WM8915_SYSCLK_RATE); @@ -1877,8 +1880,8 @@ static int wm8915_set_sysclk(struct snd_soc_dai *dai, } snd_soc_update_bits(codec, WM8915_AIF_CLOCKING_1, - WM8915_SYSCLK_SRC_MASK, - src << WM8915_SYSCLK_SRC_SHIFT); + WM8915_SYSCLK_SRC_MASK | WM8915_SYSCLK_DIV_MASK, + src << WM8915_SYSCLK_SRC_SHIFT | ratediv); snd_soc_update_bits(codec, WM8915_CLOCKING_1, WM8915_LFCLK_ENA, lfclk); snd_soc_update_bits(codec, WM8915_AIF_CLOCKING_1, WM8915_SYSCLK_ENA, old); -- 2.20.1