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Commit 2428a2ed authored by Devin Heitmueller's avatar Devin Heitmueller Committed by Mauro Carvalho Chehab
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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: default avatarDevin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent bde3bb9a

drivers/media/dvb/frontends/au8522_decoder.c

+1 −15
Original line number Diff line number Diff line
@@ -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 */