Commit 576411be authored by Mark Brown's avatar Mark Brown
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ASoC: arizona: Increase FLL synchroniser bandwidth for high frequencies 



If we are using a high freqency SYNCCLK then increasing the bandwidth of
the synchroniser improves performance.

Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 9a412cdb

sound/soc/codecs/arizona.c

+11 −0
Original line number Diff line number Diff line
@@ -1157,6 +1157,17 @@ static void arizona_enable_fll(struct arizona_fll *fll, 
		return;

	}



	/*

	 * Increase the bandwidth if we're not using a low frequency

	 * sync source.

	 */

	if (fll->sync_src >= 0 && fll->sync_freq > 100000)

		regmap_update_bits(arizona->regmap, fll->base + 0x17,

				   ARIZONA_FLL1_SYNC_BW, 0);

	else

		regmap_update_bits(arizona->regmap, fll->base + 0x17,

				   ARIZONA_FLL1_SYNC_BW, ARIZONA_FLL1_SYNC_BW);



	if (!arizona_is_enabled_fll(fll))

		pm_runtime_get(arizona->dev);

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