[alsa-devel] [PATCH] ASoC: wm8994: Suppres noop updates of FLL K
Using snd_soc_write() means we always write to the register even if it already contains the newly calculated value.
Signed-off-by: Mark Brown broonie@opensource.wolfsonmicro.com --- sound/soc/codecs/wm8994.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c index 3009541..6d351b9 100644 --- a/sound/soc/codecs/wm8994.c +++ b/sound/soc/codecs/wm8994.c @@ -1920,7 +1920,8 @@ static int _wm8994_set_fll(struct snd_soc_codec *codec, int id, int src, WM8994_FLL1_OUTDIV_MASK | WM8994_FLL1_FRATIO_MASK, reg);
- snd_soc_write(codec, WM8994_FLL1_CONTROL_3 + reg_offset, fll.k); + snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_3 + reg_offset, + WM8994_FLL1_K_MASK, fll.k);
snd_soc_update_bits(codec, WM8994_FLL1_CONTROL_4 + reg_offset, WM8994_FLL1_N_MASK,
participants (1)
-
Mark Brown