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-rw-r--r--include/linux/lcd.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/include/linux/lcd.h b/include/linux/lcd.h
index c67fecafff90..8877123f2d6e 100644
--- a/include/linux/lcd.h
+++ b/include/linux/lcd.h
@@ -69,6 +69,29 @@ struct lcd_device {
struct device dev;
};
+struct lcd_platform_data {
+ /* reset lcd panel device. */
+ int (*reset)(struct lcd_device *ld);
+ /* on or off to lcd panel. if 'enable' is 0 then
+ lcd power off and 1, lcd power on. */
+ int (*power_on)(struct lcd_device *ld, int enable);
+
+ /* it indicates whether lcd panel was enabled
+ from bootloader or not. */
+ int lcd_enabled;
+ /* it means delay for stable time when it becomes low to high
+ or high to low that is dependent on whether reset gpio is
+ low active or high active. */
+ unsigned int reset_delay;
+ /* stable time needing to become lcd power on. */
+ unsigned int power_on_delay;
+ /* stable time needing to become lcd power off. */
+ unsigned int power_off_delay;
+
+ /* it could be used for any purpose. */
+ void *pdata;
+};
+
static inline void lcd_set_power(struct lcd_device *ld, int power)
{
mutex_lock(&ld->update_lock);