Merge "msm: mdss: hdmi: add support for triggering hot plug" (29b34f01) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/video/msm/mdss/mdss_hdmi_tx.c

+40 −0

Original line number	Diff line number	Diff line
		@@ -1121,6 +1121,44 @@ static ssize_t hdmi_tx_sysfs_rda_s3d_mode(struct device *dev,
		return ret;
		}

		static ssize_t hdmi_tx_sysfs_wta_5v(struct device *dev,
		struct device_attribute attr, const char buf, size_t count)
		{
		int read, rc = 0;
		ssize_t ret = strnlen(buf, PAGE_SIZE);
		struct hdmi_tx_ctrl *hdmi_ctrl = NULL;
		struct dss_module_power *pd = NULL;

		hdmi_ctrl = hdmi_tx_get_drvdata_from_sysfs_dev(dev);
		if (!hdmi_ctrl) {
		DEV_ERR("%s: invalid input\n", __func__);
		rc = -EINVAL;
		goto error;
		}

		pd = &hdmi_ctrl->pdata.power_data[HDMI_TX_HPD_PM];
		if (!pd) {
		DEV_ERR("%s: Error: invalid power data\n", __func__);
		rc = -EINVAL;
		goto error;
		}

		rc = kstrtoint(buf, 10, &read);
		if (rc) {
		DEV_ERR("%s: kstrtoint failed. rc=%d\n", __func__, rc);
		goto error;
		}

		read = ~(!!read ^ pd->gpio_config->value) & BIT(0);

		DEV_DBG("%s: writing %d to 5v gpio\n", __func__, read);
		gpio_set_value(pd->gpio_config->gpio, read);

		return ret;
		error:
		return rc;
		}

		static DEVICE_ATTR(connected, S_IRUGO, hdmi_tx_sysfs_rda_connected, NULL);
		static DEVICE_ATTR(hdmi_audio_cb, S_IWUSR, NULL, hdmi_tx_sysfs_wta_audio_cb);
		static DEVICE_ATTR(video_mode, S_IRUGO, hdmi_tx_sysfs_rda_video_mode, NULL);
		@@ -1135,6 +1173,7 @@ static DEVICE_ATTR(avi_itc, S_IWUSR, NULL, hdmi_tx_sysfs_wta_avi_itc);
		static DEVICE_ATTR(avi_cn0_1, S_IWUSR, NULL, hdmi_tx_sysfs_wta_avi_cn_bits);
		static DEVICE_ATTR(s3d_mode, S_IRUGO \| S_IWUSR, hdmi_tx_sysfs_rda_s3d_mode,
		hdmi_tx_sysfs_wta_s3d_mode);
		static DEVICE_ATTR(5v, S_IWUSR, NULL, hdmi_tx_sysfs_wta_5v);

		static struct attribute *hdmi_tx_fs_attrs[] = {
		&dev_attr_connected.attr,
		@@ -1146,6 +1185,7 @@ static struct attribute *hdmi_tx_fs_attrs[] = {
		&dev_attr_avi_itc.attr,
		&dev_attr_avi_cn0_1.attr,
		&dev_attr_s3d_mode.attr,
		&dev_attr_5v.attr,
		NULL,
		};
		static struct attribute_group hdmi_tx_fs_attrs_group = {