ASoC: remove bogus SLEEP mode from wm8978 driver

Tests showed, that bit 6 of the WM8978_POWER_MANAGEMENT_2 register of wm8978
affects codec clocks. Being useless for suspend / resume, it cannot be used in
bias-level control either. Remove this bit handling.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 0 insertions, 5 deletions

diff --git a/sound/soc/codecs/wm8978.c b/sound/soc/codecs/wm8978.c
index d9d4e9dd1adb..8dcebaa8604a 100644
--- a/sound/soc/codecs/wm8978.c
+++ b/sound/soc/codecs/wm8978.c
@@ -873,8 +873,6 @@ static int wm8978_suspend(struct platform_device *pdev, pm_message_t state)
         wm8978_set_bias_level(codec, SND_SOC_BIAS_OFF);
         /* Also switch PLL off */
         snd_soc_write(codec, WM8978_POWER_MANAGEMENT_1, 0);
-        /* Put to sleep */
-        snd_soc_write(codec, WM8978_POWER_MANAGEMENT_2, 0x40);
 
         return 0;
 }
@@ -887,9 +885,6 @@ static int wm8978_resume(struct platform_device *pdev)
         int i;
         u16 *cache = codec->reg_cache;
 
-        /* Wake up the codec */
-        snd_soc_write(codec, WM8978_POWER_MANAGEMENT_2, 0);
-
         /* Sync reg_cache with the hardware */
         for (i = 0; i < ARRAY_SIZE(wm8978_reg); i++) {
                 if (i == WM8978_RESET)