Commit Graph

9 Commits

Author SHA1 Message Date
Tang Bin
f5a0ea8936
ASoC: mediatek: mt8188: Remove unnecessary variable assignments
In the function mtk_dai_hdmitx_dptx_hw_params, the variable
'ret' is redundant, thus remove it.

Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Link: https://patch.msgid.link/20241010073547.3720-1-tangbin@cmss.chinamobile.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-10-11 13:59:48 +01:00
Krzysztof Kozlowski
d1ecaabe9f
ASoC: mediatek: mt8188: Handle component name prefix
Use snd_soc_dapm_widget_name_cmp() helper when comparing widget names,
to include also the component's name prefix.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Trevor Wu <trevor.wu@mediatek.com>
Link: https://lore.kernel.org/r/20231023095428.166563-15-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
2023-10-26 12:15:51 +01:00
Trevor Wu
9be0213a68
ASoC: mediatek: mt8188: refine APLL control
Currently, APLL is only used in ETDM module, so APLL and APLL tuner
don't need to be enabled when AFE is used. Integrate APLL control into
ETDM DAPM routes, so that APLL can be enabled when it is really required.

Signed-off-by: Trevor Wu <trevor.wu@mediatek.com
Link: https://lore.kernel.org/r/20230510035526.18137-5-trevor.wu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org
2023-05-15 20:05:08 +09:00
Trevor Wu
e5d2bd4103
ASoC: mediatek: mt8188: revise ETDM control flow
Replace register controls in snd_soc_dai_ops with snd_soc_dapm_widgets.
startup, shutdown and trigger ops are removed, and create DAPM_SUPPLY
to handle mclk, clock gating and etdm enabling. Additionally, mclk setup
sequence is also updated because of new supply enabling sequence.

Signed-off-by: Trevor Wu <trevor.wu@mediatek.com
Link: https://lore.kernel.org/r/20230510035526.18137-4-trevor.wu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org
2023-05-15 20:05:08 +09:00
Trevor Wu
2664c8790c
ASoC: mediatek: mt8188: complete set_tdm_slot function
User can configures slot number of TDM mode via set_tdm_slot callback.

Signed-off-by: Trevor Wu <trevor.wu@mediatek.com
Link: https://lore.kernel.org/r/20230510035526.18137-3-trevor.wu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org
2023-05-15 20:05:07 +09:00
Trevor Wu
23badca424
ASoC: mediatek: mt8188: add missing initialization
In etdm dai driver, dai_etdm_parse_of() function is used to parse dts
properties to get parameters. There are two for-loops which are
sepearately for all etdm and etdm input only cases. In etdm in only
loop, dai_id is not initialized, so it keeps the value intiliazed in
another loop.

In the patch, add the missing initialization to fix the unexpected
parsing problem.

Fixes: 2babb47774 ("ASoC: mediatek: mt8188: support etdm in platform driver")
Signed-off-by: Trevor Wu <trevor.wu@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230301110200.26177-2-trevor.wu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2023-03-01 14:49:16 +00:00
Trevor Wu
70d1d30355
ASoC: mediatek: mt8188: correct etdm control return value
In mt8188_etdm_clk_src_sel_put() function, val retrieved by FIELD_PREP
is shifted to the corresponding bit filed, so it can compare with the
register value directly.

Originally, the redundant bit shift of the register value results in
the wrong comparison result, so we remove bit shift operation in the
patch.

Fixes: 2babb47774 ("ASoC: mediatek: mt8188: support etdm in platform driver")
Signed-off-by: Trevor Wu <trevor.wu@mediatek.com>
Link: https://lore.kernel.org/r/20230215125017.16044-1-trevor.wu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2023-02-20 14:32:18 +00:00
Trevor Wu
66b9e94cb7
ASoC: mediatek: mt8188: remove etdm dead code
Some Smatch static checker warning like below was found.

sound/soc/mediatek/mt8188/mt8188-dai-etdm.c:2487
mt8188_dai_etdm_parse_of()
warn: 'ret' returned from snprintf() might be larger than 48

    2479         for (i = 0; i < MT8188_AFE_IO_ETDM_NUM; i++) {
    2480                 dai_id = ETDM_TO_DAI_ID(i);
    2481                 etdm_data = afe_priv->dai_priv[dai_id];
    2482
    2483                 ret = snprintf(prop, sizeof(prop),
    2484                                "mediatek,%s-multi-pin-mode",
    2485                                of_afe_etdms[i].name);
    2486                 if (ret < 0) {
--> 2487                         dev_err(afe->dev, "%s snprintf
err=%d\n",
    2488

In linux kernel, snprintf() never returns negatives. On the other hand,
the format string like "mediatek,%s-multi-pin-mode" must be smaller
than sizeof(prop)=48.

After discussing in the mail thread[1], I remove the dead code to fix
the Smatch warnings.

[1]: https://lore.kernel.org/all/Y9EdBg641tJDDrt%2F@kili/

Signed-off-by: Trevor Wu <trevor.wu@mediatek.com>
Link: https://lore.kernel.org/r/20230202103704.15626-1-trevor.wu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2023-02-03 12:03:57 +00:00
Trevor Wu
2babb47774
ASoC: mediatek: mt8188: support etdm in platform driver
Add mt8188 etdm dai driver support.

Signed-off-by: Trevor Wu <trevor.wu@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230116034131.23943-6-trevor.wu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2023-01-16 11:16:24 +00:00