From e2b2ed8365e040b274dd23bdabd34ec3b0e43137 Mon Sep 17 00:00:00 2001 From: AnilKumar Ch Date: Mon, 24 Sep 2012 14:53:49 +0530 Subject: lis3lv02d: fix some comments specific to lis331dlh driver Fix some minor problems in comments of lis331dlh driver * correct comments with respect to 2G sensitivity * correct typo lis3331dlh mistake to lis331dlh * add comment to say only 2G range is supported * change the function name from lis3lv02d_read_16 to lis331dlh_read_data. * update i2c_device_id table entry to maintaine consistancy * update sensor display message Signed-off-by: AnilKumar Ch Signed-off-by: Greg Kroah-Hartman --- drivers/misc/lis3lv02d/lis3lv02d.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) (limited to 'drivers/misc/lis3lv02d/lis3lv02d.c') diff --git a/drivers/misc/lis3lv02d/lis3lv02d.c b/drivers/misc/lis3lv02d/lis3lv02d.c index 9d37c576d526..e670072fe24c 100644 --- a/drivers/misc/lis3lv02d/lis3lv02d.c +++ b/drivers/misc/lis3lv02d/lis3lv02d.c @@ -81,9 +81,10 @@ #define LIS3_SENSITIVITY_8B (18 * LIS3_ACCURACY) /* - * LIS3331DLH spec says 1LSBs corresponds 4G/1024 -> 1LSB is 1000/1024 mG. - * Sensitivity values for +/-2G, outdata in 12 bits for +/-2G scale. so 4 - * bits adjustment is required + * LIS331DLH spec says 1LSBs corresponds 4G/4096 -> 1LSB is 1000/1024 mG. + * Below macros defines sensitivity values for +/-2G. Dataout bits for + * +/-2G range is 12 bits so 4 bits adjustment must be done to get 12bit + * data from 16bit value. Currently this driver supports only 2G range. */ #define LIS3DLH_SENSITIVITY_2G ((LIS3_ACCURACY * 1000) / 1024) #define SHIFT_ADJ_2G 4 @@ -144,7 +145,7 @@ static s16 lis3lv02d_read_12(struct lis3lv02d *lis3, int reg) } /* 12bits for 2G range, 13 bits for 4G range and 14 bits for 8G range */ -static s16 lis3lv02d_read_16(struct lis3lv02d *lis3, int reg) +static s16 lis331dlh_read_data(struct lis3lv02d *lis3, int reg) { u8 lo, hi; int v; @@ -987,8 +988,8 @@ int lis3lv02d_init_device(struct lis3lv02d *lis3) lis3->scale = LIS3_SENSITIVITY_8B; break; case WAI_3DLH: - pr_info("16 bits 3DLH sensor found\n"); - lis3->read_data = lis3lv02d_read_16; + pr_info("16 bits lis331dlh sensor found\n"); + lis3->read_data = lis331dlh_read_data; lis3->mdps_max_val = 2048; /* 12 bits for 2G */ lis3->shift_adj = SHIFT_ADJ_2G; lis3->pwron_delay = LIS3_PWRON_DELAY_WAI_8B; -- cgit v1.2.3