diff options
author | Takashi Iwai <tiwai@suse.de> | 2020-01-27 17:45:44 +0100 |
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committer | Takashi Iwai <tiwai@suse.de> | 2020-01-27 17:45:44 +0100 |
commit | 90fb04f890bcb7384b4d4c216dc2640b0a870df3 (patch) | |
tree | f4c35d625351cd8034bdd37bb3e19926bad674db /sound/soc/ti/davinci-mcasp.c | |
parent | 9b132f2764e5a04bfb2e6c6f51cf5a729617d6a4 (diff) | |
parent | a7196caf83ea9e9b56c5c8c95fbfe0d45acec46b (diff) |
Merge tag 'asoc-v5.6' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v5.6
A pretty big release this time around, a lot of new drivers and both
Morimoto-san and Takashi were doing subsystem wide updates as well:
- Further big refactorings from Morimoto-san simplifying the core
interfaces and moving things to the component level.
- Transition of drivers to managed buffer allocation and removal of
redundant PCM ioctls.
- New driver support for Ingenic JZ4770, Mediatek MT6660, Qualcomm
WCD934x and WSA881x, and Realtek RT700, RT711, RT715, RT1011, RT1015
and RT1308.
Diffstat (limited to 'sound/soc/ti/davinci-mcasp.c')
-rw-r--r-- | sound/soc/ti/davinci-mcasp.c | 35 |
1 files changed, 28 insertions, 7 deletions
diff --git a/sound/soc/ti/davinci-mcasp.c b/sound/soc/ti/davinci-mcasp.c index 8e5371801d88..e1e937eb1dc1 100644 --- a/sound/soc/ti/davinci-mcasp.c +++ b/sound/soc/ti/davinci-mcasp.c @@ -664,18 +664,39 @@ static int davinci_mcasp_set_sysclk(struct snd_soc_dai *dai, int clk_id, struct davinci_mcasp *mcasp = snd_soc_dai_get_drvdata(dai); pm_runtime_get_sync(mcasp->dev); - if (dir == SND_SOC_CLOCK_OUT) { + + if (dir == SND_SOC_CLOCK_IN) { + switch (clk_id) { + case MCASP_CLK_HCLK_AHCLK: + mcasp_clr_bits(mcasp, DAVINCI_MCASP_AHCLKXCTL_REG, + AHCLKXE); + mcasp_clr_bits(mcasp, DAVINCI_MCASP_AHCLKRCTL_REG, + AHCLKRE); + clear_bit(PIN_BIT_AHCLKX, &mcasp->pdir); + break; + case MCASP_CLK_HCLK_AUXCLK: + mcasp_set_bits(mcasp, DAVINCI_MCASP_AHCLKXCTL_REG, + AHCLKXE); + mcasp_set_bits(mcasp, DAVINCI_MCASP_AHCLKRCTL_REG, + AHCLKRE); + set_bit(PIN_BIT_AHCLKX, &mcasp->pdir); + break; + default: + dev_err(mcasp->dev, "Invalid clk id: %d\n", clk_id); + goto out; + } + } else { + /* Select AUXCLK as HCLK */ mcasp_set_bits(mcasp, DAVINCI_MCASP_AHCLKXCTL_REG, AHCLKXE); mcasp_set_bits(mcasp, DAVINCI_MCASP_AHCLKRCTL_REG, AHCLKRE); set_bit(PIN_BIT_AHCLKX, &mcasp->pdir); - } else { - mcasp_clr_bits(mcasp, DAVINCI_MCASP_AHCLKXCTL_REG, AHCLKXE); - mcasp_clr_bits(mcasp, DAVINCI_MCASP_AHCLKRCTL_REG, AHCLKRE); - clear_bit(PIN_BIT_AHCLKX, &mcasp->pdir); } - + /* + * When AHCLK X/R is selected to be output it means that the HCLK is + * the same clock - coming via AUXCLK. + */ mcasp->sysclk_freq = freq; - +out: pm_runtime_put(mcasp->dev); return 0; } |