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ASoC: sun4i-i2s: Update global enable with bitmask

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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>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Marcus Cooper 2017-08-19 14:48:38 +02:00 committed by Mark Brown
parent d03d2737e2
commit 043b8daa57
1 changed files with 4 additions and 3 deletions
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7
sound/soc/sunxi/sun4i-i2s.c
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@ -529,8 +529,8 @@ 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,
@ -553,7 +553,8 @@ 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,