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lp8727_charger: Fix buggy code of NULL pdata

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LP8727 platform data is optional, so the driver should work even the
platform data is NULL.

To check the platform data, charging parameter data should be changed to
the pointer type.

Fix NULL point access problem when getting the battery properties. When
the data is NULL, just return as invalid value.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
This commit is contained in:
Kim, Milo
2012-08-31 09:23:12 +00:00
committed by Anton Vorontsov
parent fb9adc5190
commit 318cb389d0
2 changed files with 25 additions and 10 deletions
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include/linux/platform_data/lp8727.h
+4 -3
View File
@@ -51,15 +51,16 @@ struct lp8727_chg_param {
* @get_batt_level : get battery voltage (mV)
* @get_batt_capacity : get battery capacity (%)
* @get_batt_temp : get battery temperature
* @ac, @usb : charging parameters each charger type
* @ac : charging parameters for AC type charger
* @usb : charging parameters for USB type charger
*/
struct lp8727_platform_data {
u8 (*get_batt_present)(void);
u16 (*get_batt_level)(void);
u8 (*get_batt_capacity)(void);
u8 (*get_batt_temp)(void);
struct lp8727_chg_param ac;
struct lp8727_chg_param usb;
struct lp8727_chg_param *ac;
struct lp8727_chg_param *usb;
};
#endif