Le mer., juil. 6 2022 at 22:13:25 +0100, Aidan MacDonald aidanmacdonald.0x0@gmail.com a écrit :
Get rid of a couple of macros and improve readability by using FIELD_PREP() and GENMASK() for the sample size setting.
Signed-off-by: Aidan MacDonald aidanmacdonald.0x0@gmail.com
Acked-by: Paul Cercueil paul@crapouillou.net
Cheers, -Paul
sound/soc/jz4740/jz4740-i2s.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-)
diff --git a/sound/soc/jz4740/jz4740-i2s.c b/sound/soc/jz4740/jz4740-i2s.c index 8bb9449d13d3..3c3cf78bf848 100644 --- a/sound/soc/jz4740/jz4740-i2s.c +++ b/sound/soc/jz4740/jz4740-i2s.c @@ -3,6 +3,7 @@
- Copyright (C) 2010, Lars-Peter Clausen lars@metafoo.de
*/
+#include <linux/bitfield.h> #include <linux/init.h> #include <linux/io.h> #include <linux/kernel.h> @@ -49,8 +50,8 @@ #define JZ4760_AIC_CONF_FIFO_RX_THRESHOLD_OFFSET 24 #define JZ4760_AIC_CONF_FIFO_TX_THRESHOLD_OFFSET 16
-#define JZ_AIC_CTRL_OUTPUT_SAMPLE_SIZE_MASK (0x7 << 19) -#define JZ_AIC_CTRL_INPUT_SAMPLE_SIZE_MASK (0x7 << 16) +#define JZ_AIC_CTRL_OUTPUT_SAMPLE_SIZE GENMASK(21, 19) +#define JZ_AIC_CTRL_INPUT_SAMPLE_SIZE GENMASK(18, 16) #define JZ_AIC_CTRL_ENABLE_RX_DMA BIT(15) #define JZ_AIC_CTRL_ENABLE_TX_DMA BIT(14) #define JZ_AIC_CTRL_MONO_TO_STEREO BIT(11) @@ -65,9 +66,6 @@ #define JZ_AIC_CTRL_ENABLE_PLAYBACK BIT(1) #define JZ_AIC_CTRL_ENABLE_CAPTURE BIT(0)
-#define JZ_AIC_CTRL_OUTPUT_SAMPLE_SIZE_OFFSET 19 -#define JZ_AIC_CTRL_INPUT_SAMPLE_SIZE_OFFSET 16
#define JZ_AIC_I2S_FMT_DISABLE_BIT_CLK BIT(12) #define JZ_AIC_I2S_FMT_DISABLE_BIT_ICLK BIT(13) #define JZ_AIC_I2S_FMT_ENABLE_SYS_CLK BIT(4) @@ -245,8 +243,9 @@ static int jz4740_i2s_hw_params(struct snd_pcm_substream *substream, }
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
ctrl &= ~JZ_AIC_CTRL_OUTPUT_SAMPLE_SIZE_MASK;ctrl |= sample_size << JZ_AIC_CTRL_OUTPUT_SAMPLE_SIZE_OFFSET;
ctrl &= ~JZ_AIC_CTRL_OUTPUT_SAMPLE_SIZE;ctrl |= FIELD_PREP(JZ_AIC_CTRL_OUTPUT_SAMPLE_SIZE, sample_size);- if (params_channels(params) == 1) ctrl |= JZ_AIC_CTRL_MONO_TO_STEREO; else
@@ -254,8 +253,8 @@ static int jz4740_i2s_hw_params(struct snd_pcm_substream *substream,
div_field = i2s->field_i2sdiv_playback;} else {
ctrl &= ~JZ_AIC_CTRL_INPUT_SAMPLE_SIZE_MASK;ctrl |= sample_size << JZ_AIC_CTRL_INPUT_SAMPLE_SIZE_OFFSET;
ctrl &= ~JZ_AIC_CTRL_INPUT_SAMPLE_SIZE;ctrl |= FIELD_PREP(JZ_AIC_CTRL_INPUT_SAMPLE_SIZE, sample_size);div_field = i2s->field_i2sdiv_capture; }
-- 2.35.1