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Groups > linux.kernel > #1699319
| From | codekipper@gmail.com |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v3 11/12] ASoC: sun4i-i2s: Update global enable with bitmask |
| Date | 2017-07-29 16:20 +0200 |
| Message-ID | <u8AL0-3qk-9@gated-at.bofh.it> (permalink) |
| References | <u8AKZ-3qk-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Marcus Cooper <codekipper@gmail.com> The default value of the config register is different on newer SoCs and therefore enabling/disabling with a register write will clear bits used to set the direction of the clock and frame pins. Signed-off-by: Marcus Cooper <codekipper@gmail.com> --- sound/soc/sunxi/sun4i-i2s.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c index 1c4d763e3a8e..d8bcd3d9c2b6 100644 --- a/sound/soc/sunxi/sun4i-i2s.c +++ b/sound/soc/sunxi/sun4i-i2s.c @@ -527,8 +527,8 @@ static int sun4i_i2s_startup(struct snd_pcm_substream *substream, struct sun4i_i2s *i2s = snd_soc_dai_get_drvdata(dai); /* Enable the whole hardware block */ - regmap_write(i2s->regmap, SUN4I_I2S_CTRL_REG, - SUN4I_I2S_CTRL_GL_EN); + regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG, + SUN4I_I2S_CTRL_GL_EN, SUN4I_I2S_CTRL_GL_EN); /* Enable the first output line */ regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG, @@ -551,7 +551,8 @@ static void sun4i_i2s_shutdown(struct snd_pcm_substream *substream, SUN4I_I2S_CTRL_SDO_EN_MASK, 0); /* Disable the whole hardware block */ - regmap_write(i2s->regmap, SUN4I_I2S_CTRL_REG, 0); + regmap_update_bits(i2s->regmap, SUN4I_I2S_CTRL_REG, + SUN4I_I2S_CTRL_GL_EN, 0); } static int sun4i_i2s_set_sysclk(struct snd_soc_dai *dai, int clk_id, -- 2.13.3
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[PATCH v3 11/12] ASoC: sun4i-i2s: Update global enable with bitmask codekipper@gmail.com - 2017-07-29 16:20 +0200
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