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Commit 640b796f authored by Guennadi Liakhovetski's avatar Guennadi Liakhovetski Committed by Mark Brown
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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: default avatarGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: default avatarLiam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 9f5b64b7

sound/soc/codecs/wm8978.c

+0 −5
Original line number Diff line number Diff line
@@ -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)