state->i2c = i2c;
        memcpy(&state->frontend.ops, &tda10023_ops, sizeof(struct dvb_frontend_ops));
        state->pwm = pwm;
-       for (i=0; i < sizeof(tda10023_inittab)/sizeof(*tda10023_inittab);i+=3) {
+       for (i=0; i < ARRAY_SIZE(tda10023_inittab);i+=3) {
                if (tda10023_inittab[i] == 0x00) {
                        state->reg0 = tda10023_inittab[i+2];
                        break;
 
        { CPIA2_VP_FRAMERATE_25,   "25 fps"   },
        { CPIA2_VP_FRAMERATE_30,   "30 fps"   },
 };
-#define NUM_FRAMERATE_CONTROLS (sizeof(framerate_controls)/sizeof(framerate_controls[0]))
+#define NUM_FRAMERATE_CONTROLS (ARRAY_SIZE(framerate_controls))
 
 static struct control_menu_info flicker_controls[] =
 {
        { FLICKER_50,    "50 Hz" },
        { FLICKER_60,    "60 Hz"  },
 };
-#define NUM_FLICKER_CONTROLS (sizeof(flicker_controls)/sizeof(flicker_controls[0]))
+#define NUM_FLICKER_CONTROLS (ARRAY_SIZE(flicker_controls))
 
 static struct control_menu_info lights_controls[] =
 {
        { 128, "Bottom"  },
        { 192, "Both"  },
 };
-#define NUM_LIGHTS_CONTROLS (sizeof(lights_controls)/sizeof(lights_controls[0]))
+#define NUM_LIGHTS_CONTROLS (ARRAY_SIZE(lights_controls))
 #define GPIO_LIGHTS_MASK 192
 
 static struct v4l2_queryctrl controls[] = {
                .default_value = 0,
        },
 };
-#define NUM_CONTROLS (sizeof(controls)/sizeof(controls[0]))
+#define NUM_CONTROLS (ARRAY_SIZE(controls))
 
 
 /******************************************************************************
 
        },
 };
 
-#define N_WIN_SIZES (sizeof(ov7670_win_sizes)/sizeof(ov7670_win_sizes[0]))
+#define N_WIN_SIZES (ARRAY_SIZE(ov7670_win_sizes))
 
 
 /*
                .query = ov7670_q_hflip,
        },
 };
-#define N_CONTROLS (sizeof(ov7670_controls)/sizeof(ov7670_controls[0]))
+#define N_CONTROLS (ARRAY_SIZE(ov7670_controls))
 
 static struct ov7670_control *ov7670_find_control(__u32 id)
 {
 
                        to indicate 4052 mux was removed in favor of using MSP
                        inputs directly. */
                        audioic = eeprom_data[i+2] & 0x7f;
-                       if (audioic < sizeof(audioIC)/sizeof(*audioIC))
+                       if (audioic < ARRAY_SIZE(audioIC))
                                tvee->audio_processor = audioIC[audioic].id;
                        else
                                tvee->audio_processor = AUDIO_CHIP_UNKNOWN;
                        to indicate 4052 mux was removed in favor of using MSP
                        inputs directly. */
                        audioic = eeprom_data[i+1] & 0x7f;
-                       if (audioic < sizeof(audioIC)/sizeof(*audioIC))
+                       if (audioic < ARRAY_SIZE(audioIC))
                                tvee->audio_processor = audioIC[audioic].id;
                        else
                                tvee->audio_processor = AUDIO_CHIP_UNKNOWN;
                tveeprom_info("audio processor is unknown (no idx)\n");
                tvee->audio_processor=AUDIO_CHIP_UNKNOWN;
        } else {
-               if (audioic < sizeof(audioIC)/sizeof(*audioIC))
+               if (audioic < ARRAY_SIZE(audioIC))
                        tveeprom_info("audio processor is %s (idx %d)\n",
                                        audioIC[audioic].name,audioic);
                else
 
                {
                        struct v4l2_control *ctrl = arg;
                        u8 i, n;
-                       n = sizeof(tvp5150_qctrl) / sizeof(tvp5150_qctrl[0]);
+                       n = ARRAY_SIZE(tvp5150_qctrl);
                        for (i = 0; i < n; i++)
                                if (ctrl->id == tvp5150_qctrl[i].id) {
                                        if (ctrl->value <
 
        int ret;
        int i;
 
-       for (i=0; i < sizeof(regval_table)/sizeof(regval_table[0]) ; i++) {
+       for (i=0; i < ARRAY_SIZE(regval_table) ; i++) {
                CHECK_RET(ret, qcm_stv_setb(uvd->dev,
                                        regval_table[i].reg,
                                        regval_table[i].val));