Thanks for reviewing,
On 30/07/18 05:12, Vinod wrote:
On 27-07-18, 13:17, Srinivas Kandagatla wrote:
+obj-$(CONFIG_MFD_WCD9335) += wcd9335.o
+wcd9335-objs := wcd9335-core.o
+
no slimbus objs?
Yep, I will try to tidy this up a bit in next version.
+static int wcd9335_bring_up(struct wcd9335 *wcd)
+{
+ struct regmap *rm = wcd->regmap;
+ int val, byte0;
+ int ret = 0;
+
+ regmap_read(rm, WCD9335_CHIP_TIER_CTRL_EFUSE_VAL_OUT0, &val);
+ regmap_read(rm, WCD9335_CHIP_TIER_CTRL_CHIP_ID_BYTE0, &byte0);
+
+ if ((val < 0) || (byte0 < 0)) {
+ dev_err(wcd->dev, "wcd9335 codec version detection fail!\n");
+ return -EINVAL;
+ }
+
+ if (byte0 == 0x1) {
+ dev_info(wcd->dev, "wcd9335 codec version is v2.0\n");
+ wcd->version = WCD9335_VERSION_2_0;
+ regmap_write(rm, WCD9335_CODEC_RPM_RST_CTL, 0x01);
+ regmap_write(rm, WCD9335_SIDO_SIDO_TEST_2, 0x00);
+ regmap_write(rm, WCD9335_SIDO_SIDO_CCL_8, 0x6F);
+ regmap_write(rm, WCD9335_BIAS_VBG_FINE_ADJ, 0x65);
+ regmap_write(rm, WCD9335_CODEC_RPM_PWR_CDC_DIG_HM_CTL, 0x5);
+ regmap_write(rm, WCD9335_CODEC_RPM_PWR_CDC_DIG_HM_CTL, 0x7);
+ regmap_write(rm, WCD9335_CODEC_RPM_PWR_CDC_DIG_HM_CTL, 0x3);
+ regmap_write(rm, WCD9335_CODEC_RPM_RST_CTL, 0x3);
+ } else {
+ dev_err(wcd->dev, "wcd9335 codec version not supported\n");
+ ret = -EINVAL;
+ }
+
+ return ret;
we can do return 0 and remove the variable as it is not used anywhere
else.
Yes, it makes sense!
Thanks,
srini
