On Mon, Jun 03, 2019 at 07:47:35PM +0200, codekipper@gmail.com wrote:
From: Marcus Cooper codekipper@gmail.com
Bypass the regmap cache when flushing the i2s FIFOs and modify the tables to reflect this.
Signed-off-by: Marcus Cooper codekipper@gmail.com
sound/soc/sunxi/sun4i-i2s.c | 29 +++++++++-------------------- 1 file changed, 9 insertions(+), 20 deletions(-)
diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c index 351b8021173b..92828a84902d 100644 --- a/sound/soc/sunxi/sun4i-i2s.c +++ b/sound/soc/sunxi/sun4i-i2s.c @@ -595,9 +595,11 @@ static int sun4i_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) static void sun4i_i2s_start_capture(struct sun4i_i2s *i2s) { /* Flush RX FIFO */
- regcache_cache_bypass(i2s->regmap, true); regmap_update_bits(i2s->regmap, SUN4I_I2S_FIFO_CTRL_REG, SUN4I_I2S_FIFO_CTRL_FLUSH_RX, SUN4I_I2S_FIFO_CTRL_FLUSH_RX);
- regcache_cache_bypass(i2s->regmap, false);
Your commit log should say why you need to do this in the first place.
@@ -771,13 +775,7 @@ static const struct snd_soc_component_driver sun4i_i2s_component = {
static bool sun4i_i2s_rd_reg(struct device *dev, unsigned int reg) {
- switch (reg) {
- case SUN4I_I2S_FIFO_TX_REG:
return false;- default:
return true;- }
- return true;
That doesn't seem related?
Maxime
-- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com