diff options
| author | Robert Collins <rcollins@nvidia.com> | 2011-08-15 15:59:17 -0700 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:48:28 -0800 |
| commit | ce095253b54f8314c9658b99690a68c0b78f276f (patch) | |
| tree | ca818e8c421f5964a45b013edb01bdd612349202 /arch | |
| parent | 98b7a1cfb3e3b4349e0344d46123eadad81ff233 (diff) | |
input: touch: atmel_mxt_ts: Increase touch perf for SKU-2000.
Increase touchscreen performance for Cardhu SKU-2000 with touch
panel air gap gasket changes.
Bug 864735
Original-Change-Id: I01137e8d31230cd1d1f5a7d25d82259cc732b1e5
Reviewed-on: http://git-master/r/47197
Reviewed-by: Narendra Damahe <ndamahe@nvidia.com>
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
Reviewed-by: Ali Ekici <aekici@nvidia.com>
Tested-by: Ali Ekici <aekici@nvidia.com>
Reviewed-by: Jonathan Mccaffrey <jmccaffrey@nvidia.com>
Tested-by: Jonathan Mccaffrey <jmccaffrey@nvidia.com>
Rebase-Id: Rede07c6cc06387a4ccb31eaa2b7bd2e4603c3768
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-tegra/board-cardhu.c | 32 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/board-cardhu.h | 3 |
2 files changed, 35 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-cardhu.c b/arch/arm/mach-tegra/board-cardhu.c index b22f1a82ee36..ea8cab8a6d10 100644 --- a/arch/arm/mach-tegra/board-cardhu.c +++ b/arch/arm/mach-tegra/board-cardhu.c @@ -478,6 +478,30 @@ static const u8 config[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; +#define MXT_CONFIG_CRC_SKU2000 0xA24D9A +static const u8 config_sku2000[] = { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xFF, 0xFF, 0x32, 0x0A, 0x00, 0x14, 0x14, 0x19, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x8B, 0x00, 0x00, + 0x1B, 0x2A, 0x00, 0x20, 0x3A, 0x04, 0x05, 0x00, //23=thr 2 di + 0x04, 0x04, 0x41, 0x0A, 0x0A, 0x0A, 0x0A, 0xFF, + 0x02, 0x55, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x0A, 0x00, 0x00, 0x00, 0x00, //0A=limit + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x23, + 0x00, 0x00, 0x00, 0x05, 0x0A, 0x15, 0x1E, 0x00, + 0x00, 0x04, 0x00, 0x03, 0x3F, 0x64, 0x64, 0x01, + 0x0A, 0x14, 0x28, 0x4B, 0x00, 0x02, 0x00, 0x64, + 0x00, 0x19, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x08, 0x10, 0x3C, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 +}; + static struct mxt_platform_data atmel_mxt_info = { .x_line = 27, .y_line = 42, @@ -505,6 +529,8 @@ static struct i2c_board_info __initdata atmel_i2c_info[] = { static int __init cardhu_touch_init(void) { + struct board_info BoardInfo; + tegra_gpio_enable(TEGRA_GPIO_PH4); tegra_gpio_enable(TEGRA_GPIO_PH6); @@ -517,6 +543,12 @@ static int __init cardhu_touch_init(void) gpio_set_value(TEGRA_GPIO_PH6, 1); msleep(100); + tegra_get_board_info(&BoardInfo); + if ((BoardInfo.sku & SKU_TOUCH_MASK) == SKU_TOUCH_2000) { + atmel_mxt_info.config = config_sku2000; + atmel_mxt_info.config_crc = MXT_CONFIG_CRC_SKU2000; + } + i2c_register_board_info(1, atmel_i2c_info, 1); return 0; diff --git a/arch/arm/mach-tegra/board-cardhu.h b/arch/arm/mach-tegra/board-cardhu.h index e11ebe6c1faf..bd52b2c908b2 100644 --- a/arch/arm/mach-tegra/board-cardhu.h +++ b/arch/arm/mach-tegra/board-cardhu.h @@ -41,6 +41,9 @@ #define SKU_T30S_SUPPORT 0x4 #define SKU_TOUCHSCREEN_MECH_FIX 0x10 +#define SKU_TOUCH_MASK 0xFF00 +#define SKU_TOUCH_2000 0x0B00 + #define SKU_MEMORY_TYPE_BIT 0x4 #define SKU_MEMORY_TYPE_MASK 0x3 #define SKU_MEMORY_SAMSUNG_EC 0x0 |