diff options
Diffstat (limited to 'sound/soc/tegra/tegra20_spdif.c')
| -rw-r--r-- | sound/soc/tegra/tegra20_spdif.c | 40 |
1 files changed, 16 insertions, 24 deletions
diff --git a/sound/soc/tegra/tegra20_spdif.c b/sound/soc/tegra/tegra20_spdif.c index f9b57418bd0..3ebc8670ba0 100644 --- a/sound/soc/tegra/tegra20_spdif.c +++ b/sound/soc/tegra/tegra20_spdif.c @@ -37,24 +37,11 @@ #define DRV_NAME "tegra20-spdif" -static inline void tegra20_spdif_write(struct tegra20_spdif *spdif, u32 reg, - u32 val) -{ - regmap_write(spdif->regmap, reg, val); -} - -static inline u32 tegra20_spdif_read(struct tegra20_spdif *spdif, u32 reg) -{ - u32 val; - regmap_read(spdif->regmap, reg, &val); - return val; -} - static int tegra20_spdif_runtime_suspend(struct device *dev) { struct tegra20_spdif *spdif = dev_get_drvdata(dev); - clk_disable(spdif->clk_spdif_out); + clk_disable_unprepare(spdif->clk_spdif_out); return 0; } @@ -64,7 +51,7 @@ static int tegra20_spdif_runtime_resume(struct device *dev) struct tegra20_spdif *spdif = dev_get_drvdata(dev); int ret; - ret = clk_enable(spdif->clk_spdif_out); + ret = clk_prepare_enable(spdif->clk_spdif_out); if (ret) { dev_err(dev, "clk_enable failed: %d\n", ret); return ret; @@ -77,21 +64,24 @@ static int tegra20_spdif_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { - struct device *dev = substream->pcm->card->dev; + struct device *dev = dai->dev; struct tegra20_spdif *spdif = snd_soc_dai_get_drvdata(dai); + unsigned int mask, val; int ret, spdifclock; - spdif->reg_ctrl &= ~TEGRA20_SPDIF_CTRL_PACK; - spdif->reg_ctrl &= ~TEGRA20_SPDIF_CTRL_BIT_MODE_MASK; + mask = TEGRA20_SPDIF_CTRL_PACK | + TEGRA20_SPDIF_CTRL_BIT_MODE_MASK; switch (params_format(params)) { case SNDRV_PCM_FORMAT_S16_LE: - spdif->reg_ctrl |= TEGRA20_SPDIF_CTRL_PACK; - spdif->reg_ctrl |= TEGRA20_SPDIF_CTRL_BIT_MODE_16BIT; + val = TEGRA20_SPDIF_CTRL_PACK | + TEGRA20_SPDIF_CTRL_BIT_MODE_16BIT; break; default: return -EINVAL; } + regmap_update_bits(spdif->regmap, TEGRA20_SPDIF_CTRL, mask, val); + switch (params_rate(params)) { case 32000: spdifclock = 4096000; @@ -129,14 +119,15 @@ static int tegra20_spdif_hw_params(struct snd_pcm_substream *substream, static void tegra20_spdif_start_playback(struct tegra20_spdif *spdif) { - spdif->reg_ctrl |= TEGRA20_SPDIF_CTRL_TX_EN; - tegra20_spdif_write(spdif, TEGRA20_SPDIF_CTRL, spdif->reg_ctrl); + regmap_update_bits(spdif->regmap, TEGRA20_SPDIF_CTRL, + TEGRA20_SPDIF_CTRL_TX_EN, + TEGRA20_SPDIF_CTRL_TX_EN); } static void tegra20_spdif_stop_playback(struct tegra20_spdif *spdif) { - spdif->reg_ctrl &= ~TEGRA20_SPDIF_CTRL_TX_EN; - tegra20_spdif_write(spdif, TEGRA20_SPDIF_CTRL, spdif->reg_ctrl); + regmap_update_bits(spdif->regmap, TEGRA20_SPDIF_CTRL, + TEGRA20_SPDIF_CTRL_TX_EN, 0); } static int tegra20_spdif_trigger(struct snd_pcm_substream *substream, int cmd, @@ -181,6 +172,7 @@ static struct snd_soc_dai_driver tegra20_spdif_dai = { .name = DRV_NAME, .probe = tegra20_spdif_probe, .playback = { + .stream_name = "Playback", .channels_min = 2, .channels_max = 2, .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | |