? 09/14/2014 04:57 AM, Sergei Shtylyov ??:
> Hello.
>
> On 9/13/2014 3:42 AM, Jianqun wrote:
>
>> Reference rockchip I2S controller TRM, modify some registers' property
>> I2S_FIFOLR: read / write, but not volatile, not precious
>> I2S_INTSR: read / write
>> I2S_CLR: volatile, register value will be cleared by read
>
>> Test on RK3288 with max98090.
>
>> Signed-off-by: Jianqun Xu <jay.xu at rock-chips.com>
>> ---
>> sound/soc/rockchip/rockchip_i2s.c | 6 +++---
>> 1 file changed, 3 insertions(+), 3 deletions(-)
>
>> diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c
>> index 1b9b404..6595383 100644
>> --- a/sound/soc/rockchip/rockchip_i2s.c
>> +++ b/sound/soc/rockchip/rockchip_i2s.c
> [...]
>> @@ -385,8 +387,6 @@ static bool rockchip_i2s_volatile_reg(struct device *dev, unsigned int reg)
>> static bool rockchip_i2s_precious_reg(struct device *dev, unsigned int reg)
>> {
>> switch (reg) {
>> - case I2S_FIFOLR:
>> - return true;
>> default:
>> return false;
>> }
>
> Shouldn't this be folded into simple *return* false now?
That is more reasonable, thank you.
>
> WBR, Sergei
>
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