shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-09 04:10:18 +09:00
Code Issues Packages Projects Releases Wiki Activity

mipi dsi: add clk_notifier function to invoke rk_mipi_dsi_init_lite()

Browse Source
This commit is contained in:
hhb
2013-08-08 14:46:06 +08:00
parent b797d2a1bf
commit e31fedd62b
2 changed files with 16 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/mfd/rk616-core.c
View File

@@ -44,11 +44,6 @@ extern int rk_mipi_dsi_init_lite(void);
void rk616_mclk_set_rate(struct clk *mclk,unsigned long rate)
{
clk_set_rate(mclk, rate);
#if defined(CONFIG_RK616_MIPI_DSI)
rk_mipi_dsi_init_lite();
#endif
}
static int rk616_i2c_read_reg(struct mfd_rk616 *rk616, u16 reg,u32 *pval)

20
drivers/video/rockchip/transmitter/rk616_mipi_dsi.c
View File

@@ -36,7 +36,7 @@
#include <linux/seq_file.h>
#include<linux/earlysuspend.h>
#include <linux/regulator/machine.h>
#include <plat/clock.h>
#else
#include "ft_lcd.h"
#endif
@@ -78,8 +78,9 @@
*v1.0 : this driver is mipi dsi driver of rockchip;
*v1.1 : add FT code
*v1.2 : add rk_mipi_dsi_init_lite() for mclk variation
*v1.3 : add clk_notifier function for mclk variation
*/
#define RK_MIPI_DSI_VERSION_AND_TIME "rockchip mipi_dsi v1.2 2013-08-06"
#define RK_MIPI_DSI_VERSION_AND_TIME "rockchip mipi_dsi v1.3 2013-08-08"
@@ -726,7 +727,7 @@ static int rk_mipi_dsi_init(void *array, u32 n) {
int rk_mipi_dsi_init_lite(void) {
u32 decimals = 1000, i = 0, pre = 0, val = 0, ref_clk = 0;
u32 decimals = 1000, i = 0, pre = 0, ref_clk = 0;
struct mipi_dsi_screen *screen = g_screen;
if(!screen)
@@ -1040,7 +1041,7 @@ int reg_proc_write(struct file *file, const char __user *buff, size_t count, lof
else
read_val *= MHz;
clk_set_rate(dsi_rk616->mclk, read_val);
rk_mipi_dsi_init_lite();
//rk_mipi_dsi_init_lite();
break;
case 'd':
case 'g':
@@ -1319,7 +1320,15 @@ static void rk616_mipi_dsi_late_resume(struct early_suspend *h)
#endif /* end of CONFIG_HAS_EARLYSUSPEND */
static int rk616_mipi_dsi_notifier_event(struct notifier_block *this,
unsigned long event, void *ptr) {
rk_mipi_dsi_init_lite();
return 0;
}
struct notifier_block mipi_dsi_nb= {
.notifier_call = rk616_mipi_dsi_notifier_event,
};
static int rk616_mipi_dsi_probe(struct platform_device *pdev)
{
@@ -1334,6 +1343,8 @@ static int rk616_mipi_dsi_probe(struct platform_device *pdev)
else
dsi_rk616 = rk616;
clk_notifier_register(rk616->mclk, &mipi_dsi_nb);
screen = rk_fb_get_prmry_screen();
if(!screen) {
dev_err(&pdev->dev,"the fb prmry screen is null!\n");
@@ -1393,6 +1404,7 @@ do_release_region:
static int rk616_mipi_dsi_remove(struct platform_device *pdev)
{
clk_notifier_unregister(dsi_rk616->mclk, &mipi_dsi_nb);
return 0;
}