diff options
| author | Marcus Cooper <codekipper@gmail.com> | 2017-08-19 14:48:35 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2017-08-21 18:15:59 +0200 |
| commit | 5f93b0639634929b8349f9f9d83e1d881c1c7d4a (patch) | |
| tree | c20b83a4bd85b14ae2abb4a3c9d8212cd979162b /sound | |
| parent | ASoC: sun4i-i2s: bclk and lrclk polarity tidyup (diff) | |
| download | linux-5f93b0639634929b8349f9f9d83e1d881c1c7d4a.tar.xz linux-5f93b0639634929b8349f9f9d83e1d881c1c7d4a.zip | |
ASoC: sun4i-i2s: Add mclk enable regmap field
The location of the mclk output enable bit is different on newer
SoCs. Use a regmap field to enable it.
Signed-off-by: Marcus Cooper <codekipper@gmail.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/sunxi/sun4i-i2s.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c index 8c7ad5bfe821..761b7c0f6a32 100644 --- a/sound/soc/sunxi/sun4i-i2s.c +++ b/sound/soc/sunxi/sun4i-i2s.c @@ -101,6 +101,7 @@ * @mclk_offset: Value by which mclkdiv needs to be adjusted. * @bclk_offset: Value by which bclkdiv needs to be adjusted. * @fmt_offset: Value by which wss and sr needs to be adjusted. + * @field_clkdiv_mclk_en: regmap field to enable mclk output. * @field_fmt_wss: regmap field to set word select size. * @field_fmt_sr: regmap field to set sample resolution. * @field_fmt_bclk: regmap field to set clk polarity. @@ -119,6 +120,7 @@ struct sun4i_i2s_quirks { unsigned int fmt_offset; /* Register fields for i2s */ + struct reg_field field_clkdiv_mclk_en; struct reg_field field_fmt_wss; struct reg_field field_fmt_sr; struct reg_field field_fmt_bclk; @@ -141,6 +143,7 @@ struct sun4i_i2s { struct snd_dmaengine_dai_dma_data playback_dma_data; /* Register fields for i2s */ + struct regmap_field *field_clkdiv_mclk_en; struct regmap_field *field_fmt_wss; struct regmap_field *field_fmt_sr; struct regmap_field *field_fmt_bclk; @@ -283,8 +286,9 @@ static int sun4i_i2s_set_clk_rate(struct sun4i_i2s *i2s, regmap_write(i2s->regmap, SUN4I_I2S_CLK_DIV_REG, SUN4I_I2S_CLK_DIV_BCLK(bclk_div) | - SUN4I_I2S_CLK_DIV_MCLK(mclk_div) | - SUN4I_I2S_CLK_DIV_MCLK_EN); + SUN4I_I2S_CLK_DIV_MCLK(mclk_div)); + + regmap_field_write(i2s->field_clkdiv_mclk_en, 1); return 0; } @@ -713,6 +717,7 @@ static const struct sun4i_i2s_quirks sun4i_a10_i2s_quirks = { .has_reset = false, .reg_offset_txdata = SUN4I_I2S_FIFO_TX_REG, .sun4i_i2s_regmap = &sun4i_i2s_regmap_config, + .field_clkdiv_mclk_en = REG_FIELD(SUN4I_I2S_CLK_DIV_REG, 7, 7), .field_fmt_wss = REG_FIELD(SUN4I_I2S_FMT0_REG, 2, 3), .field_fmt_sr = REG_FIELD(SUN4I_I2S_FMT0_REG, 4, 5), .field_fmt_bclk = REG_FIELD(SUN4I_I2S_FMT0_REG, 6, 6), @@ -727,6 +732,7 @@ static const struct sun4i_i2s_quirks sun6i_a31_i2s_quirks = { .has_reset = true, .reg_offset_txdata = SUN4I_I2S_FIFO_TX_REG, .sun4i_i2s_regmap = &sun4i_i2s_regmap_config, + .field_clkdiv_mclk_en = REG_FIELD(SUN4I_I2S_CLK_DIV_REG, 7, 7), .field_fmt_wss = REG_FIELD(SUN4I_I2S_FMT0_REG, 2, 3), .field_fmt_sr = REG_FIELD(SUN4I_I2S_FMT0_REG, 4, 5), .field_fmt_bclk = REG_FIELD(SUN4I_I2S_FMT0_REG, 6, 6), @@ -740,6 +746,12 @@ static const struct sun4i_i2s_quirks sun6i_a31_i2s_quirks = { static int sun4i_i2s_init_regmap_fields(struct device *dev, struct sun4i_i2s *i2s) { + i2s->field_clkdiv_mclk_en = + devm_regmap_field_alloc(dev, i2s->regmap, + i2s->variant->field_clkdiv_mclk_en); + if (IS_ERR(i2s->field_clkdiv_mclk_en)) + return PTR_ERR(i2s->field_clkdiv_mclk_en); + i2s->field_fmt_wss = devm_regmap_field_alloc(dev, i2s->regmap, i2s->variant->field_fmt_wss); |