Merge "soc: qcom: bgcom_dev: add register write interface for bgcom" (3ce086a9) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/soc/qcom/bgcom_interface.c

+16 −6

Original line number	Diff line number	Diff line
		@@ -134,7 +134,7 @@ static int bgchar_read_cmd(struct bg_ui_data *fui_obj_msg,
		return ret;
		}

		static int bgchar_write_cmd(struct bg_ui_data *fui_obj_msg)
		static int bgchar_write_cmd(struct bg_ui_data *fui_obj_msg, int type)
		{
		void *write_buf;
		int ret;
		@@ -152,10 +152,19 @@ static int bgchar_write_cmd(struct bg_ui_data *fui_obj_msg)
		kfree(write_buf);
		return ret;
		}
		switch (type) {
		case REG_WRITE:
		ret = bgcom_reg_write(handle, fui_obj_msg->cmd,
		fui_obj_msg->num_of_words,
		write_buf);
		break;
		case AHB_WRITE:
		ret = bgcom_ahb_write(handle,
		fui_obj_msg->bg_address,
		fui_obj_msg->num_of_words,
		write_buf);
		break;
		}
		kfree(write_buf);
		return ret;
		}
		@@ -180,12 +189,13 @@ static long bg_com_ioctl(struct file *filp,
		pr_err("bgchar_read_cmd failed\n");
		break;
		case AHB_WRITE:
		case REG_WRITE:
		if (copy_from_user(&ui_obj_msg, (void __user *) arg,
		sizeof(ui_obj_msg))) {
		pr_err("The copy from user failed\n");
		ret = -EFAULT;
		}
		ret = bgchar_write_cmd(&ui_obj_msg);
		ret = bgchar_write_cmd(&ui_obj_msg, ui_bgcom_cmd);
		if (ret < 0)
		pr_err("bgchar_write_cmd failed\n");
		break;

+4 −0

Original line number	Diff line number	Diff line
		@@ -5,6 +5,7 @@
		#define BGCOM_AHB_WRITE 2
		#define BGCOM_SET_SPI_FREE 3
		#define BGCOM_SET_SPI_BUSY 4
		#define BGCOM_REG_WRITE 5
		#define EXCHANGE_CODE 'V'

		struct bg_ui_data {
		@@ -37,4 +38,7 @@ enum bg_event_type {
		#define SET_SPI_BUSY \
		_IOR(EXCHANGE_CODE, BGCOM_SET_SPI_BUSY, \
		struct bg_ui_data)
		#define REG_WRITE \
		_IOWR(EXCHANGE_CODE, BGCOM_REG_WRITE, \
		struct bg_ui_data)
		#endif