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Commit 4c78c1ab authored by Phani Kumar Uppalapati's avatar Phani Kumar Uppalapati Committed by Matt Wagantall
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ASoC: wcd9335: Enable efuse sensing 



Codec efuse control needs to be enabled for correct
functioning of the wcd9335 codec. Write codec register
to enable efuse control.

Change-Id: I24999bf074b4abd6e2344208fe3b2fee7814e624
Signed-off-by: default avatarPhani Kumar Uppalapati <phaniu@codeaurora.org>
parent 43653bc0

sound/soc/codecs/wcd9335.c

+22 −0
Original line number Diff line number Diff line
@@ -345,6 +345,28 @@ struct tasha_priv { 
	int swr_clk_users;

};



int tasha_enable_efuse_sensing(struct snd_soc_codec *codec)

{

	tasha_cdc_mclk_enable(codec, true, false);



	snd_soc_update_bits(codec, WCD9335_CHIP_TIER_CTRL_EFUSE_CTL,

			    0x1E, 0x02);

	snd_soc_update_bits(codec, WCD9335_CHIP_TIER_CTRL_EFUSE_CTL,

			    0x01, 0x01);

	/*

	 * 5ms sleep required after enabling efuse control

	 * before checking the status.

	 */

	usleep_range(5000, 5500);

	if (!(snd_soc_read(codec, WCD9335_CHIP_TIER_CTRL_EFUSE_STATUS) & 0x01))

		WARN(1, "%s: Efuse sense is not complete\n", __func__);



	tasha_cdc_mclk_enable(codec, false, false);



	return 0;

}

EXPORT_SYMBOL(tasha_enable_efuse_sensing);



void *tasha_get_afe_config(struct snd_soc_codec *codec,

			   enum afe_config_type config_type)

{

sound/soc/codecs/wcd9335.h

+1 −0
Original line number Diff line number Diff line
@@ -98,4 +98,5 @@ extern void *tasha_get_afe_config(struct snd_soc_codec *codec, 
				  enum afe_config_type config_type);

extern int tasha_cdc_mclk_enable(struct snd_soc_codec *codec, bool enable,

				 bool dapm);

extern int tasha_enable_efuse_sensing(struct snd_soc_codec *codec);

#endif