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[media] au8522: cleanup code which disables audio decoder 

Cleanup the routine which disables the audio decoder.  In particular, the i2s
output was being shut off but the audio processor itself was not, resulting
in more power being consumed than needed.

Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Devin Heitmueller 2010-06-27 17:40:42 -03:00 committed by Mauro Carvalho Chehab
parent bde3bb9a67
commit 2428a2ed6a
1 changed files with 1 additions and 15 deletions
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16
drivers/media/dvb/frontends/au8522_decoder.c
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@ -410,29 +410,15 @@ static void au8522_setup_svideo_mode(struct au8522_state *state)
static void disable_audio_input(struct au8522_state *state)
{
/* This can probably be optimized */
au8522_writereg(state, AU8522_AUDIO_VOLUME_L_REG0F2H, 0x00);
au8522_writereg(state, AU8522_AUDIO_VOLUME_R_REG0F3H, 0x00);
au8522_writereg(state, AU8522_AUDIO_VOLUME_REG0F4H, 0x00);
au8522_writereg(state, AU8522_I2C_CONTROL_REG1_REG091H, 0x80);
au8522_writereg(state, AU8522_I2C_CONTROL_REG0_REG090H, 0x84);
au8522_writereg(state, AU8522_ENA_USB_REG101H, 0x00);
au8522_writereg(state, AU8522_AUDIO_VOLUME_L_REG0F2H, 0x7F);
au8522_writereg(state, AU8522_AUDIO_VOLUME_R_REG0F3H, 0x7F);
au8522_writereg(state, AU8522_REG0F9H, AU8522_REG0F9H_AUDIO);
au8522_writereg(state, AU8522_AUDIO_MODE_REG0F1H, 0x40);
au8522_writereg(state, AU8522_GPIO_DATA_REG0E2H, 0x11);
msleep(5);
au8522_writereg(state, AU8522_GPIO_DATA_REG0E2H, 0x00);
au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_1_REG0A5H, 0x04);
au8522_writereg(state, AU8522_AUDIOFREQ_REG606H, 0x03);
au8522_writereg(state, AU8522_I2S_CTRL_2_REG112H, 0x02);
au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H,
AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_CVBS);
AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_SVIDEO);
}
/* 0=disable, 1=SIF */