On 14-04-20, 12:03, Srinivas Kandagatla wrote:
> WSA881x works in PDM mode so the wordlength is fixed, which also makes
> the only field "WordLength" in DPN_BlockCtrl1 register a read-only.
> Writing to this register will throw up errors with Qualcomm Controller.
> So use ro_blockctrl1_reg flag to mark this field as read-only so that
> core will not write to this register.
Reviewed-by: Vinod Koul <vkoul@xxxxxxxxxx>
>
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
> ---
> Hi Mark,
>
> For some reason this patch was missed during last merge window,
> Other patch in this series is already in mainline.
> Without this patch audio is not functional on DB845c and other SDM845
> based platforms.
>
> Can you please take this for next possible rc.
>
> Thanks,
> srini
>
> sound/soc/codecs/wsa881x.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/sound/soc/codecs/wsa881x.c b/sound/soc/codecs/wsa881x.c
> index f2d6f2f81f14..d39d479e2378 100644
> --- a/sound/soc/codecs/wsa881x.c
> +++ b/sound/soc/codecs/wsa881x.c
> @@ -394,6 +394,7 @@ static struct sdw_dpn_prop wsa_sink_dpn_prop[WSA881X_MAX_SWR_PORTS] = {
> .min_ch = 1,
> .max_ch = 1,
> .simple_ch_prep_sm = true,
> + .read_only_wordlength = true,
> }, {
> /* COMP */
> .num = 2,
> @@ -401,6 +402,7 @@ static struct sdw_dpn_prop wsa_sink_dpn_prop[WSA881X_MAX_SWR_PORTS] = {
> .min_ch = 1,
> .max_ch = 1,
> .simple_ch_prep_sm = true,
> + .read_only_wordlength = true,
> }, {
> /* BOOST */
> .num = 3,
> @@ -408,6 +410,7 @@ static struct sdw_dpn_prop wsa_sink_dpn_prop[WSA881X_MAX_SWR_PORTS] = {
> .min_ch = 1,
> .max_ch = 1,
> .simple_ch_prep_sm = true,
> + .read_only_wordlength = true,
> }, {
> /* VISENSE */
> .num = 4,
> @@ -415,6 +418,7 @@ static struct sdw_dpn_prop wsa_sink_dpn_prop[WSA881X_MAX_SWR_PORTS] = {
> .min_ch = 1,
> .max_ch = 1,
> .simple_ch_prep_sm = true,
> + .read_only_wordlength = true,
> }
> };
>
> --
> 2.21.0
--
~Vinod
