From 43dd89c7e7cde6b42edac88ca852ec61af610863 Mon Sep 17 00:00:00 2001 From: Clemens Ladisch Date: Wed, 19 Mar 2008 08:21:32 +0100 Subject: [PATCH] [ALSA] oxygen: disable clock of unused I2S inputs Disable the master clock outputs of any unused I2S inputs. Signed-off-by: Clemens Ladisch Signed-off-by: Takashi Iwai --- sound/pci/oxygen/oxygen_lib.c | 29 ++++++++++++++++++----------- 1 file changed, 18 insertions(+), 11 deletions(-) diff --git a/sound/pci/oxygen/oxygen_lib.c b/sound/pci/oxygen/oxygen_lib.c index 87df2b81c573..858e6d4c9194 100644 --- a/sound/pci/oxygen/oxygen_lib.c +++ b/sound/pci/oxygen/oxygen_lib.c @@ -272,18 +272,25 @@ static void oxygen_init(struct oxygen *chip) OXYGEN_RATE_48000 | chip->model->dac_i2s_format | OXYGEN_I2S_MCLK_256 | OXYGEN_I2S_BITS_16 | OXYGEN_I2S_MASTER | OXYGEN_I2S_BCLK_64); - oxygen_write16(chip, OXYGEN_I2S_A_FORMAT, - OXYGEN_RATE_48000 | chip->model->adc_i2s_format | - OXYGEN_I2S_MCLK_256 | OXYGEN_I2S_BITS_16 | - OXYGEN_I2S_MASTER | OXYGEN_I2S_BCLK_64); - oxygen_write16(chip, OXYGEN_I2S_B_FORMAT, - OXYGEN_RATE_48000 | chip->model->adc_i2s_format | - OXYGEN_I2S_MCLK_256 | OXYGEN_I2S_BITS_16 | - OXYGEN_I2S_MASTER | OXYGEN_I2S_BCLK_64); + if (chip->model->pcm_dev_cfg & CAPTURE_0_FROM_I2S_1) + oxygen_write16(chip, OXYGEN_I2S_A_FORMAT, + OXYGEN_RATE_48000 | chip->model->adc_i2s_format | + OXYGEN_I2S_MCLK_256 | OXYGEN_I2S_BITS_16 | + OXYGEN_I2S_MASTER | OXYGEN_I2S_BCLK_64); + else + oxygen_write16(chip, OXYGEN_I2S_A_FORMAT, + OXYGEN_I2S_MASTER | OXYGEN_I2S_MUTE_MCLK); + if (chip->model->pcm_dev_cfg & (CAPTURE_0_FROM_I2S_2 | + CAPTURE_2_FROM_I2S_2)) + oxygen_write16(chip, OXYGEN_I2S_B_FORMAT, + OXYGEN_RATE_48000 | chip->model->adc_i2s_format | + OXYGEN_I2S_MCLK_256 | OXYGEN_I2S_BITS_16 | + OXYGEN_I2S_MASTER | OXYGEN_I2S_BCLK_64); + else + oxygen_write16(chip, OXYGEN_I2S_B_FORMAT, + OXYGEN_I2S_MASTER | OXYGEN_I2S_MUTE_MCLK); oxygen_write16(chip, OXYGEN_I2S_C_FORMAT, - OXYGEN_RATE_48000 | chip->model->adc_i2s_format | - OXYGEN_I2S_MCLK_256 | OXYGEN_I2S_BITS_16 | - OXYGEN_I2S_MASTER | OXYGEN_I2S_BCLK_64); + OXYGEN_I2S_MASTER | OXYGEN_I2S_MUTE_MCLK); oxygen_write32_masked(chip, OXYGEN_SPDIF_CONTROL, OXYGEN_SPDIF_SENSE_MASK | OXYGEN_SPDIF_LOCK_MASK | -- 2.39.5