From: Lucas Tanure tanureal@opensource.cirrus.com
Signed-off-by: Lucas Tanure tanureal@opensource.cirrus.com Signed-off-by: Vitaly Rodionov vitalyr@opensource.cirrus.com ---
Changes in v2: - No changes
Changes in v3: - No changes
Changes in v4: - No changes
sound/pci/hda/patch_cs8409.c | 19 +++++++++++++++++-- sound/pci/hda/patch_cs8409.h | 1 + 2 files changed, 18 insertions(+), 2 deletions(-)
diff --git a/sound/pci/hda/patch_cs8409.c b/sound/pci/hda/patch_cs8409.c index 420f3a612fc4..e683349ebd50 100644 --- a/sound/pci/hda/patch_cs8409.c +++ b/sound/pci/hda/patch_cs8409.c @@ -155,6 +155,21 @@ static int cs8409_i2c_wait_complete(struct hda_codec *codec) return -1; }
+/** + * cs8409_set_i2c_dev_addr - Set i2c address for transaction + * @codec: the codec instance + * @addr: I2C Address + */ +static void cs8409_set_i2c_dev_addr(struct hda_codec *codec, unsigned int addr) +{ + struct cs8409_spec *spec = codec->spec; + + if (spec->dev_addr != addr) { + cs8409_vendor_coef_set(codec, CS8409_I2C_ADDR, addr); + spec->dev_addr = addr; + } +} + /** * cs8409_i2c_read - CS8409 I2C Read. * @codec: the codec instance @@ -176,7 +191,7 @@ static int cs8409_i2c_read(struct hda_codec *codec, unsigned int i2c_address, un return -EPERM;
cs8409_enable_i2c_clock(codec); - cs8409_vendor_coef_set(codec, CS8409_I2C_ADDR, i2c_address); + cs8409_set_i2c_dev_addr(codec, i2c_address);
if (paged) { cs8409_vendor_coef_set(codec, CS8409_I2C_QWRITE, i2c_reg >> 8); @@ -222,7 +237,7 @@ static int cs8409_i2c_write(struct hda_codec *codec, unsigned int i2c_address, u return -EPERM;
cs8409_enable_i2c_clock(codec); - cs8409_vendor_coef_set(codec, CS8409_I2C_ADDR, i2c_address); + cs8409_set_i2c_dev_addr(codec, i2c_address);
if (paged) { cs8409_vendor_coef_set(codec, CS8409_I2C_QWRITE, i2c_reg >> 8); diff --git a/sound/pci/hda/patch_cs8409.h b/sound/pci/hda/patch_cs8409.h index 542582c213d2..c2c208218e34 100644 --- a/sound/pci/hda/patch_cs8409.h +++ b/sound/pci/hda/patch_cs8409.h @@ -281,6 +281,7 @@ struct cs8409_spec {
struct mutex cs8409_i2c_mux; unsigned int i2c_clck_enabled; + unsigned int dev_addr; struct delayed_work i2c_clk_work;
/* verb exec op override */