diff options
Diffstat (limited to 'recipes/linux/linux-smdk2443/0035-Fix-power-and-PLL.patch')
| -rw-r--r-- | recipes/linux/linux-smdk2443/0035-Fix-power-and-PLL.patch | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/recipes/linux/linux-smdk2443/0035-Fix-power-and-PLL.patch b/recipes/linux/linux-smdk2443/0035-Fix-power-and-PLL.patch new file mode 100644 index 0000000000..c498da69fe --- /dev/null +++ b/recipes/linux/linux-smdk2443/0035-Fix-power-and-PLL.patch @@ -0,0 +1,63 @@ +From fc2b709436ef9069dac1e2b46a8acb94a7169e8d Mon Sep 17 00:00:00 2001 +From: Graeme Gregory <gg@a10082.wolfsonmicro.main> +Date: Mon, 26 Mar 2007 15:25:43 +0100 +Subject: [PATCH] Fix power and PLL + +bit 0 of POWER1 has oposite meaning to the rest of the bits so write this +to zero to enable chip. + +enable the fractional PLL by enabling the correct bit in register. + +Signed-off-by: Graeme Gregory <gg@opensource.wolfsonmicro.com> +--- + sound/soc/codecs/wm8956.c | 4 ++-- + sound/soc/codecs/wm8960.c | 4 ++-- + 2 files changed, 4 insertions(+), 4 deletions(-) + +diff --git a/sound/soc/codecs/wm8956.c b/sound/soc/codecs/wm8956.c +index 6e1bbc9..d88f572 100644 +--- a/sound/soc/codecs/wm8956.c ++++ b/sound/soc/codecs/wm8956.c +@@ -314,7 +314,7 @@ static int wm8956_dapm_event(struct snd_soc_codec *codec, int event) + } + #endif + // tmp +- wm8956_write(codec, WM8956_POWER1, 0xffff); ++ wm8956_write(codec, WM8956_POWER1, 0xfffe); + wm8956_write(codec, WM8956_POWER2, 0xffff); + wm8956_write(codec, WM8956_POWER3, 0xffff); + codec->dapm_state = event; +@@ -388,7 +388,7 @@ static int wm8956_set_dai_pll(struct snd_soc_codec_dai *codec_dai, + return -EINVAL; + + reg = wm8956_read_reg_cache(codec, WM8956_PLLN) & 0x1e0; +- wm8956_write(codec, WM8956_PLLN, reg | (pll_div.pre_div << 4) ++ wm8956_write(codec, WM8956_PLLN, reg | (1<<5) | (pll_div.pre_div << 4) + | pll_div.n); + wm8956_write(codec, WM8956_PLLK1, pll_div.k >> 16 ); + wm8956_write(codec, WM8956_PLLK2, (pll_div.k >> 8) & 0xff); +diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c +index a754742..24cbb36 100644 +--- a/sound/soc/codecs/wm8960.c ++++ b/sound/soc/codecs/wm8960.c +@@ -356,7 +356,7 @@ static int wm8960_dapm_event(struct snd_soc_codec *codec, int event) + } + #endif + // tmp +- wm8960_write(codec, WM8960_POWER1, 0xffff); ++ wm8960_write(codec, WM8960_POWER1, 0xfffe); + wm8960_write(codec, WM8960_POWER2, 0xffff); + wm8960_write(codec, WM8960_POWER3, 0xffff); + codec->dapm_state = event; +@@ -430,7 +430,7 @@ static int wm8960_set_dai_pll(struct snd_soc_codec_dai *codec_dai, + return -EINVAL; + + reg = wm8960_read_reg_cache(codec, WM8960_PLLN) & 0x1e0; +- wm8960_write(codec, WM8960_PLLN, reg | (pll_div.pre_div << 4) ++ wm8960_write(codec, WM8960_PLLN, reg | (1<<5) | (pll_div.pre_div << 4) + | pll_div.n); + wm8960_write(codec, WM8960_PLLK1, pll_div.k >> 16 ); + wm8960_write(codec, WM8960_PLLK2, (pll_div.k >> 8) & 0xff); +-- +1.5.0.3 + |