From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rohit kumar Subject: [PATCH 2/2] ASoC: sdm845: Add support for Secondary MI2S interface Date: Fri, 16 Nov 2018 13:11:58 +0530 Message-ID: <1542354118-23360-3-git-send-email-rohitkr@codeaurora.org> References: <1542354118-23360-1-git-send-email-rohitkr@codeaurora.org> Return-path: In-Reply-To: <1542354118-23360-1-git-send-email-rohitkr@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org To: plai@codeaurora.org, bgoswami@codeaurora.org, lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, rohkumar@qti.qualcomm.com, srinivas.kandagatla@linaro.org Cc: Rohit kumar List-Id: alsa-devel@alsa-project.org Add support to configure bit clock for secondary MI2S TX interface. Signed-off-by: Rohit kumar --- sound/soc/qcom/sdm845.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/sound/soc/qcom/sdm845.c b/sound/soc/qcom/sdm845.c index 84e6ee7..58593db 100644 --- a/sound/soc/qcom/sdm845.c +++ b/sound/soc/qcom/sdm845.c @@ -19,6 +19,7 @@ struct sdm845_snd_data { struct snd_soc_card *card; uint32_t pri_mi2s_clk_count; + uint32_t sec_mi2s_clk_count; uint32_t quat_tdm_clk_count; }; @@ -121,6 +122,15 @@ static int sdm845_snd_startup(struct snd_pcm_substream *substream) snd_soc_dai_set_fmt(cpu_dai, fmt); break; + case SECONDARY_MI2S_TX: + if (++(data->sec_mi2s_clk_count) == 1) { + snd_soc_dai_set_sysclk(cpu_dai, + Q6AFE_LPASS_CLK_ID_SEC_MI2S_IBIT, + MI2S_BCLK_RATE, SNDRV_PCM_STREAM_CAPTURE); + } + snd_soc_dai_set_fmt(cpu_dai, fmt); + break; + case QUATERNARY_TDM_RX_0: case QUATERNARY_TDM_TX_0: if (++(data->quat_tdm_clk_count) == 1) { @@ -157,6 +167,14 @@ static void sdm845_snd_shutdown(struct snd_pcm_substream *substream) }; break; + case SECONDARY_MI2S_TX: + if (--(data->sec_mi2s_clk_count) == 0) { + snd_soc_dai_set_sysclk(cpu_dai, + Q6AFE_LPASS_CLK_ID_SEC_MI2S_IBIT, + 0, SNDRV_PCM_STREAM_CAPTURE); + } + break; + case QUATERNARY_TDM_RX_0: case QUATERNARY_TDM_TX_0: if (--(data->quat_tdm_clk_count) == 0) { -- Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc., is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.