[PATCH 1/5] ALSA: hda: cs35l41: Avoid overwriting register patch
Cezary Rojewski
cezary.rojewski at intel.com
Fri Jan 14 17:06:58 CET 2022
On 2022-01-13 6:07 PM, Lucas Tanure wrote:
> From: Charles Keepax <ckeepax at opensource.cirrus.com>
>
> regmap_register_patch can't be used to apply the probe sequence as a
> patch is already registers with the regmap by
> cs35l41_register_errata_patch and only a single patch can be attached to
> a single regmap. The driver doesn't currently rely on a cache sync to
> re-apply this probe sequence so simply switch it to a multi write.
>
> Signed-off-by: Charles Keepax <ckeepax at opensource.cirrus.com>
> Signed-off-by: Lucas Tanure <tanureal at opensource.cirrus.com>
Please correct me if I'm wrong, but this change looks like a fix for the
previously added commit:
ALSA: hda: cs35l41: Add support for CS35L41 in HDA systems
and so it would be good to append appropriate 'Fixes' tag here.
> ---
> sound/pci/hda/cs35l41_hda.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c
> index 30b40d865863..c47c5f0b4e59 100644
> --- a/sound/pci/hda/cs35l41_hda.c
> +++ b/sound/pci/hda/cs35l41_hda.c
> @@ -480,7 +480,7 @@ int cs35l41_hda_probe(struct device *dev, const char *device_name, int id, int i
> acpi_hw_cfg = NULL;
>
> if (cs35l41->reg_seq->probe) {
> - ret = regmap_register_patch(cs35l41->regmap, cs35l41->reg_seq->probe,
> + ret = regmap_multi_reg_write(cs35l41->regmap, cs35l41->reg_seq->probe,
> cs35l41->reg_seq->num_probe);
> if (ret) {
> dev_err(cs35l41->dev, "Fail to apply probe reg patch: %d\n", ret);
>
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