2022-05-18 04:34:00

by Pierre-Louis Bossart

[permalink] [raw]
Subject: Re: [v6] FROMLIST: ASoC: Intel: sof_cs42l42: adding support for ADL configuration and BT offload audio



On 5/17/22 20:31, Terry Chen wrote:
> To be able to do driver data for adl_mx98360a_cs4242 which supports
> two max98360a speaker amplifiers on SSP1 and cs42l42 headphone codec
> on SSP0 running on ADL platform. Also add the capability to machine driver
> of creating DAI Link for BT offload. Although BT offload always uses SSP2
> port but we reserve the flexibility to assign the port number in macro.
>
> Signed-off-by: Terry Chen <[email protected]>
> (am from https://patchwork.kernel.org/patch/12845884/)
> (also found at https://lore.kernel.org/r/20220511075522.1764114-1-terry_chen@wistron.corp-partner.google.com)

not sure what this is about, what's the point of adding information on
the v5 in the v6 patch?

>
> ---
> sound/soc/intel/boards/sof_cs42l42.c | 92 ++++++++++++++++++-
> .../intel/common/soc-acpi-intel-adl-match.c | 7 ++
> 2 files changed, 95 insertions(+), 4 deletions(-)
>
> diff --git a/sound/soc/intel/boards/sof_cs42l42.c b/sound/soc/intel/boards/sof_cs42l42.c
> index ce78c18798876..2efffc7933479 100644
> --- a/sound/soc/intel/boards/sof_cs42l42.c
> +++ b/sound/soc/intel/boards/sof_cs42l42.c
> @@ -41,8 +41,13 @@
> #define SOF_CS42L42_DAILINK_MASK (GENMASK(24, 10))
> #define SOF_CS42L42_DAILINK(link1, link2, link3, link4, link5) \
> ((((link1) | ((link2) << 3) | ((link3) << 6) | ((link4) << 9) | ((link5) << 12)) << SOF_CS42L42_DAILINK_SHIFT) & SOF_CS42L42_DAILINK_MASK)
> -#define SOF_MAX98357A_SPEAKER_AMP_PRESENT BIT(25)
> -#define SOF_MAX98360A_SPEAKER_AMP_PRESENT BIT(26)
> +#define SOF_BT_OFFLOAD_PRESENT BIT(25)
> +#define SOF_CS42L42_SSP_BT_SHIFT 26
> +#define SOF_CS42L42_SSP_BT_MASK (GENMASK(28, 26))
> +#define SOF_CS42L42_SSP_BT(quirk) \
> + (((quirk) << SOF_CS42L42_SSP_BT_SHIFT) & SOF_CS42L42_SSP_BT_MASK)
> +#define SOF_MAX98357A_SPEAKER_AMP_PRESENT BIT(29)
> +#define SOF_MAX98360A_SPEAKER_AMP_PRESENT BIT(30)
>
> enum {
> LINK_NONE = 0,
> @@ -50,6 +55,7 @@ enum {
> LINK_SPK = 2,
> LINK_DMIC = 3,
> LINK_HDMI = 4,
> + LINK_BT = 5,
> };
>
> /* Default: SSP2 */
> @@ -278,6 +284,13 @@ static struct snd_soc_dai_link_component dmic_component[] = {
> }
> };
>
> +static struct snd_soc_dai_link_component dummy_component[] = {
> + {
> + .name = "snd-soc-dummy",
> + .dai_name = "snd-soc-dummy-dai",
> + }
> +};
> +
> static int create_spk_amp_dai_links(struct device *dev,
> struct snd_soc_dai_link *links,
> struct snd_soc_dai_link_component *cpus,
> @@ -467,9 +480,56 @@ static int create_hdmi_dai_links(struct device *dev,
> return -ENOMEM;
> }
>
> +static int create_bt_offload_dai_links(struct device *dev,
> + struct snd_soc_dai_link *links,
> + struct snd_soc_dai_link_component *cpus,
> + int *id, int ssp_bt)
> +{
> + int ret = 0;

either you remove this useless init...

> +
> + /* bt offload */
> + if (!(sof_cs42l42_quirk & SOF_BT_OFFLOAD_PRESENT))
> + return 0;
> +
> + links[*id].name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-BT",
> + ssp_bt);
> + if (!links[*id].name) {
> + ret = -ENOMEM;
> + goto devm_err;
> + }
> +
> + links[*id].id = *id;
> + links[*id].codecs = dummy_component;
> + links[*id].num_codecs = ARRAY_SIZE(dummy_component);
> + links[*id].platforms = platform_component;
> + links[*id].num_platforms = ARRAY_SIZE(platform_component);
> +
> + links[*id].dpcm_playback = 1;
> + links[*id].dpcm_capture = 1;
> + links[*id].no_pcm = 1;
> + links[*id].cpus = &cpus[*id];
> + links[*id].num_cpus = 1;
> +
> + links[*id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
> + "SSP%d Pin",
> + ssp_bt);
> + if (!links[*id].cpus->dai_name) {
> + ret = -ENOMEM;
> + goto devm_err;
> + }
> +
> + (*id)++;
> +
> + return 0;

... or you remove the return 0;

pick one.

> +
> +devm_err:
> + return ret;
> +}
> +

> },
> + {
> + .id = "10134242",
> + .drv_name = "adl_mx98360a_cs4242",
> + .machine_quirk = snd_soc_acpi_codec_list,
> + .quirk_data = &adl_max98360a_amp,
> + .sof_tplg_filename = "sof-adl-max98360a-rt5682.tplg",

No, I've told this before in previous reviews: do not use a topology
name that was designed for a different platform, this is not
maintainable. If the topologies happen to be the same, either generate
them twice or use a symlink.