When CLOCKING2 is non-volatile register, we need force clear
the WM8962_SYSCLK_ENA bit after reset, for the value in cache
maybe 0 but in hardware it is 1. Otherwise there will issue
as below statement in driver.
/* SYSCLK defaults to on; make sure it is off so we can safely
* write to registers if the device is declocked.
Fixes:
c38b608504aa ("ASoC: wm8962: set CLOCKING2 as non-volatile register")
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/1589347835-20554-1-git-send-email-shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
/* SYSCLK defaults to on; make sure it is off so we can safely
* write to registers if the device is declocked.
*/
- regmap_update_bits(wm8962->regmap, WM8962_CLOCKING2,
- WM8962_SYSCLK_ENA, 0);
+ regmap_write_bits(wm8962->regmap, WM8962_CLOCKING2,
+ WM8962_SYSCLK_ENA, 0);
/* Ensure we have soft control over all registers */
regmap_update_bits(wm8962->regmap, WM8962_CLOCKING2,